Home / 502,038,045.30-753,057,067.95-421,684,166.10

Finding the Fourth Proportional to 502,038,045.30, 753,057,067.95 and 421,684,166.10

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Solution

The fourth proportional to 502,038,045.30, 753,057,067.95 and 421,684,166.10 is: 632,526,249.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,038,045.30 : 753,057,067.95 = 421,684,166.10 : x
  2. Step 2: Convert to fraction form
    502,038,045.30/753,057,067.95 = 421,684,166.10/x
  3. Step 3: Cross multiply
    502,038,045.30x = 753,057,067.95 × 421,684,166.10
  4. Step 4: Simplify right side
    502,038,045.30x = 317,552,241,724,206,848
  5. Step 5: Solve for x
    x = 317,552,241,724,206,848/502,038,045.30
  6. Step 6: Final answer
    x = 632,526,249.15

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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.