Home / 519,159,326.17-716,439,905.08-284,209,986.66

Finding the Fourth Proportional to 519,159,326.17, 716,439,905.08 and 284,209,986.66

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Solution

The fourth proportional to 519,159,326.17, 716,439,905.08 and 284,209,986.66 is: 392,209,800.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,159,326.17 : 716,439,905.08 = 284,209,986.66 : x
  2. Step 2: Convert to fraction form
    519,159,326.17/716,439,905.08 = 284,209,986.66/x
  3. Step 3: Cross multiply
    519,159,326.17x = 716,439,905.08 × 284,209,986.66
  4. Step 4: Simplify right side
    519,159,326.17x = 203,619,375,865,478,496
  5. Step 5: Solve for x
    x = 203,619,375,865,478,496/519,159,326.17
  6. Step 6: Final answer
    x = 392,209,800.73

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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.