Home / 1,042,376,262.78-1,438,473,678.59-566,062,468.16

Finding the Fourth Proportional to 1,042,376,262.78, 1,438,473,678.59 and 566,062,468.16

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Solution

The fourth proportional to 1,042,376,262.78, 1,438,473,678.59 and 566,062,468.16 is: 781,163,184.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,042,376,262.78 : 1,438,473,678.59 = 566,062,468.16 : x
  2. Step 2: Convert to fraction form
    1,042,376,262.78/1,438,473,678.59 = 566,062,468.16/x
  3. Step 3: Cross multiply
    1,042,376,262.78x = 1,438,473,678.59 × 566,062,468.16
  4. Step 4: Simplify right side
    1,042,376,262.78x = 814,265,960,890,861,312
  5. Step 5: Solve for x
    x = 814,265,960,890,861,312/1,042,376,262.78
  6. Step 6: Final answer
    x = 781,163,184.51

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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.