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Finding the Fourth Proportional to 695,650,443.17, 959,991,952.79 and 382,381,326.41

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Solution

The fourth proportional to 695,650,443.17, 959,991,952.79 and 382,381,326.41 is: 527,683,119.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,650,443.17 : 959,991,952.79 = 382,381,326.41 : x
  2. Step 2: Convert to fraction form
    695,650,443.17/959,991,952.79 = 382,381,326.41/x
  3. Step 3: Cross multiply
    695,650,443.17x = 959,991,952.79 × 382,381,326.41
  4. Step 4: Simplify right side
    695,650,443.17x = 367,082,996,248,854,400
  5. Step 5: Solve for x
    x = 367,082,996,248,854,400/695,650,443.17
  6. Step 6: Final answer
    x = 527,683,119.95

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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.