Home / 924,372,280.60-1,273,489,838.46-645,472,043.80

Finding the Fourth Proportional to 924,372,280.60, 1,273,489,838.46 and 645,472,043.80

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Solution

The fourth proportional to 924,372,280.60, 1,273,489,838.46 and 645,472,043.80 is: 889,254,368.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    924,372,280.60 : 1,273,489,838.46 = 645,472,043.80 : x
  2. Step 2: Convert to fraction form
    924,372,280.60/1,273,489,838.46 = 645,472,043.80/x
  3. Step 3: Cross multiply
    924,372,280.60x = 1,273,489,838.46 × 645,472,043.80
  4. Step 4: Simplify right side
    924,372,280.60x = 822,002,088,789,308,032
  5. Step 5: Solve for x
    x = 822,002,088,789,308,032/924,372,280.60
  6. Step 6: Final answer
    x = 889,254,368.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.