Home / 1,305,546,797.70-1,801,637,680.91-710,824,460.63

Finding the Fourth Proportional to 1,305,546,797.70, 1,801,637,680.91 and 710,824,460.63

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Solution

The fourth proportional to 1,305,546,797.70, 1,801,637,680.91 and 710,824,460.63 is: 980,928,554.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,305,546,797.70 : 1,801,637,680.91 = 710,824,460.63 : x
  2. Step 2: Convert to fraction form
    1,305,546,797.70/1,801,637,680.91 = 710,824,460.63/x
  3. Step 3: Cross multiply
    1,305,546,797.70x = 1,801,637,680.91 × 710,824,460.63
  4. Step 4: Simplify right side
    1,305,546,797.70x = 1,280,648,132,770,972,416
  5. Step 5: Solve for x
    x = 1,280,648,132,770,972,416/1,305,546,797.70
  6. Step 6: Final answer
    x = 980,928,554.25

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Half scale
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Double scale
Find fourth proportional to 1,305,546,798.70, 1,801,637,682.28 and 710,824,461.63
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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.