Home / 545,025,346.60-816,563,711.40-331,681,309.60

Finding the Fourth Proportional to 545,025,346.60, 816,563,711.40 and 331,681,309.60

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Solution

The fourth proportional to 545,025,346.60, 816,563,711.40 and 331,681,309.60 is: 496,929,038.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,025,346.60 : 816,563,711.40 = 331,681,309.60 : x
  2. Step 2: Convert to fraction form
    545,025,346.60/816,563,711.40 = 331,681,309.60/x
  3. Step 3: Cross multiply
    545,025,346.60x = 816,563,711.40 × 331,681,309.60
  4. Step 4: Simplify right side
    545,025,346.60x = 270,838,921,168,988,448
  5. Step 5: Solve for x
    x = 270,838,921,168,988,448/545,025,346.60
  6. Step 6: Final answer
    x = 496,929,038.00

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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.