Home / 863,914,384.07-1,192,193,350.59-467,428,670.72

Finding the Fourth Proportional to 863,914,384.07, 1,192,193,350.59 and 467,428,670.72

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Solution

The fourth proportional to 863,914,384.07, 1,192,193,350.59 and 467,428,670.72 is: 645,046,966.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,914,384.07 : 1,192,193,350.59 = 467,428,670.72 : x
  2. Step 2: Convert to fraction form
    863,914,384.07/1,192,193,350.59 = 467,428,670.72/x
  3. Step 3: Cross multiply
    863,914,384.07x = 1,192,193,350.59 × 467,428,670.72
  4. Step 4: Simplify right side
    863,914,384.07x = 557,265,353,107,506,624
  5. Step 5: Solve for x
    x = 557,265,353,107,506,624/863,914,384.07
  6. Step 6: Final answer
    x = 645,046,966.90

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1.5x scale

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.