Home / 497,340,726.40-745,712,491.20-255,476,022.40

Finding the Fourth Proportional to 497,340,726.40, 745,712,491.20 and 255,476,022.40

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Solution

The fourth proportional to 497,340,726.40, 745,712,491.20 and 255,476,022.40 is: 383,060,648.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,340,726.40 : 745,712,491.20 = 255,476,022.40 : x
  2. Step 2: Convert to fraction form
    497,340,726.40/745,712,491.20 = 255,476,022.40/x
  3. Step 3: Cross multiply
    497,340,726.40x = 745,712,491.20 × 255,476,022.40
  4. Step 4: Simplify right side
    497,340,726.40x = 190,511,661,105,771,008
  5. Step 5: Solve for x
    x = 190,511,661,105,771,008/497,340,726.40
  6. Step 6: Final answer
    x = 383,060,648.35

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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.