Home / 437,798,470.60-656,264,553.90-207,362,528.20

Finding the Fourth Proportional to 437,798,470.60, 656,264,553.90 and 207,362,528.20

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Solution

The fourth proportional to 437,798,470.60, 656,264,553.90 and 207,362,528.20 is: 310,838,630.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,798,470.60 : 656,264,553.90 = 207,362,528.20 : x
  2. Step 2: Convert to fraction form
    437,798,470.60/656,264,553.90 = 207,362,528.20/x
  3. Step 3: Cross multiply
    437,798,470.60x = 656,264,553.90 × 207,362,528.20
  4. Step 4: Simplify right side
    437,798,470.60x = 136,084,677,064,749,152
  5. Step 5: Solve for x
    x = 136,084,677,064,749,152/437,798,470.60
  6. Step 6: Final answer
    x = 310,838,630.56

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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.