Home / 1,248,055,588.70-1,872,083,383.05-885,258,532.70

Finding the Fourth Proportional to 1,248,055,588.70, 1,872,083,383.05 and 885,258,532.70

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Solution

The fourth proportional to 1,248,055,588.70, 1,872,083,383.05 and 885,258,532.70 is: 1,327,887,799.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,248,055,588.70 : 1,872,083,383.05 = 885,258,532.70 : x
  2. Step 2: Convert to fraction form
    1,248,055,588.70/1,872,083,383.05 = 885,258,532.70/x
  3. Step 3: Cross multiply
    1,248,055,588.70x = 1,872,083,383.05 × 885,258,532.70
  4. Step 4: Simplify right side
    1,248,055,588.70x = 1,657,277,788,770,895,104
  5. Step 5: Solve for x
    x = 1,657,277,788,770,895,104/1,248,055,588.70
  6. Step 6: Final answer
    x = 1,327,887,799.05

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Half scale
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Double scale
Find fourth proportional to 1,248,055,589.70, 1,872,083,384.55 and 885,258,533.70
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.