Home / 625,841,999.40-938,762,999.10-165,851,164.20

Finding the Fourth Proportional to 625,841,999.40, 938,762,999.10 and 165,851,164.20

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Solution

The fourth proportional to 625,841,999.40, 938,762,999.10 and 165,851,164.20 is: 248,776,746.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,841,999.40 : 938,762,999.10 = 165,851,164.20 : x
  2. Step 2: Convert to fraction form
    625,841,999.40/938,762,999.10 = 165,851,164.20/x
  3. Step 3: Cross multiply
    625,841,999.40x = 938,762,999.10 × 165,851,164.20
  4. Step 4: Simplify right side
    625,841,999.40x = 155,694,936,308,618,560
  5. Step 5: Solve for x
    x = 155,694,936,308,618,560/625,841,999.40
  6. Step 6: Final answer
    x = 248,776,746.30

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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.