Home / 1,227,600,461.40-1,694,089,315.16-663,085,339.69

Finding the Fourth Proportional to 1,227,600,461.40, 1,694,089,315.16 and 663,085,339.69

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Solution

The fourth proportional to 1,227,600,461.40, 1,694,089,315.16 and 663,085,339.69 is: 915,058,135.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,227,600,461.40 : 1,694,089,315.16 = 663,085,339.69 : x
  2. Step 2: Convert to fraction form
    1,227,600,461.40/1,694,089,315.16 = 663,085,339.69/x
  3. Step 3: Cross multiply
    1,227,600,461.40x = 1,694,089,315.16 × 663,085,339.69
  4. Step 4: Simplify right side
    1,227,600,461.40x = 1,123,325,789,008,068,224
  5. Step 5: Solve for x
    x = 1,123,325,789,008,068,224/1,227,600,461.40
  6. Step 6: Final answer
    x = 915,058,135.22

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.