Home / 399,371,315.60-598,773,538.20-153,632,997.20

Finding the Fourth Proportional to 399,371,315.60, 598,773,538.20 and 153,632,997.20

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Solution

The fourth proportional to 399,371,315.60, 598,773,538.20 and 153,632,997.20 is: 230,340,461.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,371,315.60 : 598,773,538.20 = 153,632,997.20 : x
  2. Step 2: Convert to fraction form
    399,371,315.60/598,773,538.20 = 153,632,997.20/x
  3. Step 3: Cross multiply
    399,371,315.60x = 598,773,538.20 × 153,632,997.20
  4. Step 4: Simplify right side
    399,371,315.60x = 91,991,373,317,714,688
  5. Step 5: Solve for x
    x = 91,991,373,317,714,688/399,371,315.60
  6. Step 6: Final answer
    x = 230,340,461.93

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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.