Home / 284,756,486.93-392,961,057.02-157,597,412.61

Finding the Fourth Proportional to 284,756,486.93, 392,961,057.02 and 157,597,412.61

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Solution

The fourth proportional to 284,756,486.93, 392,961,057.02 and 157,597,412.61 is: 217,482,827.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,756,486.93 : 392,961,057.02 = 157,597,412.61 : x
  2. Step 2: Convert to fraction form
    284,756,486.93/392,961,057.02 = 157,597,412.61/x
  3. Step 3: Cross multiply
    284,756,486.93x = 392,961,057.02 × 157,597,412.61
  4. Step 4: Simplify right side
    284,756,486.93x = 61,929,645,842,842,680
  5. Step 5: Solve for x
    x = 61,929,645,842,842,680/284,756,486.93
  6. Step 6: Final answer
    x = 217,482,827.21

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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.