Home / 746,761,662.90-1,120,142,494.35-644,641,010.10

Finding the Fourth Proportional to 746,761,662.90, 1,120,142,494.35 and 644,641,010.10

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Solution

The fourth proportional to 746,761,662.90, 1,120,142,494.35 and 644,641,010.10 is: 966,961,515.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,761,662.90 : 1,120,142,494.35 = 644,641,010.10 : x
  2. Step 2: Convert to fraction form
    746,761,662.90/1,120,142,494.35 = 644,641,010.10/x
  3. Step 3: Cross multiply
    746,761,662.90x = 1,120,142,494.35 × 644,641,010.10
  4. Step 4: Simplify right side
    746,761,662.90x = 722,089,789,013,717,504
  5. Step 5: Solve for x
    x = 722,089,789,013,717,504/746,761,662.90
  6. Step 6: Final answer
    x = 966,961,515.15

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Double scale
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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.