Home / 569,347,439,207.76-785,711,466,301.68-312,428,088,731.52

Finding the Fourth Proportional to 569,347,439,207.76, 785,711,466,301.68 and 312,428,088,731.52

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Solution

The fourth proportional to 569,347,439,207.76, 785,711,466,301.68 and 312,428,088,731.52 is: 431,157,347,528.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,347,439,207.76 : 785,711,466,301.68 = 312,428,088,731.52 : x
  2. Step 2: Convert to fraction form
    569,347,439,207.76/785,711,466,301.68 = 312,428,088,731.52/x
  3. Step 3: Cross multiply
    569,347,439,207.76x = 785,711,466,301.68 × 312,428,088,731.52
  4. Step 4: Simplify right side
    569,347,439,207.76x = 245,478,331,711,074,005,417,984
  5. Step 5: Solve for x
    x = 245,478,331,711,074,005,417,984/569,347,439,207.76
  6. Step 6: Final answer
    x = 431,157,347,528.70

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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.