Home / 435,471,036.80-652,781,402.40-389,554,534.40

Finding the Fourth Proportional to 435,471,036.80, 652,781,402.40 and 389,554,534.40

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Solution

The fourth proportional to 435,471,036.80, 652,781,402.40 and 389,554,534.40 is: 583,951,477.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,471,036.80 : 652,781,402.40 = 389,554,534.40 : x
  2. Step 2: Convert to fraction form
    435,471,036.80/652,781,402.40 = 389,554,534.40/x
  3. Step 3: Cross multiply
    435,471,036.80x = 652,781,402.40 × 389,554,534.40
  4. Step 4: Simplify right side
    435,471,036.80x = 254,293,955,276,911,008
  5. Step 5: Solve for x
    x = 254,293,955,276,911,008/435,471,036.80
  6. Step 6: Final answer
    x = 583,951,477.34

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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.