Home / 389,890,682.73-584,712,549.72-127,514,611.17

Finding the Fourth Proportional to 389,890,682.73, 584,712,549.72 and 127,514,611.17

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Solution

The fourth proportional to 389,890,682.73, 584,712,549.72 and 127,514,611.17 is: 191,231,534.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,890,682.73 : 584,712,549.72 = 127,514,611.17 : x
  2. Step 2: Convert to fraction form
    389,890,682.73/584,712,549.72 = 127,514,611.17/x
  3. Step 3: Cross multiply
    389,890,682.73x = 584,712,549.72 × 127,514,611.17
  4. Step 4: Simplify right side
    389,890,682.73x = 74,559,393,423,765,104
  5. Step 5: Solve for x
    x = 74,559,393,423,765,104/389,890,682.73
  6. Step 6: Final answer
    x = 191,231,534.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.