Home / 559,209,607.20-838,515,812.40-235,728,007.20

Finding the Fourth Proportional to 559,209,607.20, 838,515,812.40 and 235,728,007.20

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Solution

The fourth proportional to 559,209,607.20, 838,515,812.40 and 235,728,007.20 is: 353,466,140.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,209,607.20 : 838,515,812.40 = 235,728,007.20 : x
  2. Step 2: Convert to fraction form
    559,209,607.20/838,515,812.40 = 235,728,007.20/x
  3. Step 3: Cross multiply
    559,209,607.20x = 838,515,812.40 × 235,728,007.20
  4. Step 4: Simplify right side
    559,209,607.20x = 197,661,661,462,741,024
  5. Step 5: Solve for x
    x = 197,661,661,462,741,024/559,209,607.20
  6. Step 6: Final answer
    x = 353,466,140.28

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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.