Home / 1,282,404,497.10-1,924,850,644.89-618,885,463.19

Finding the Fourth Proportional to 1,282,404,497.10, 1,924,850,644.89 and 618,885,463.19

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Solution

The fourth proportional to 1,282,404,497.10, 1,924,850,644.89 and 618,885,463.19 is: 928,928,497.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,282,404,497.10 : 1,924,850,644.89 = 618,885,463.19 : x
  2. Step 2: Convert to fraction form
    1,282,404,497.10/1,924,850,644.89 = 618,885,463.19/x
  3. Step 3: Cross multiply
    1,282,404,497.10x = 1,924,850,644.89 × 618,885,463.19
  4. Step 4: Simplify right side
    1,282,404,497.10x = 1,191,262,082,933,087,744
  5. Step 5: Solve for x
    x = 1,191,262,082,933,087,744/1,282,404,497.10
  6. Step 6: Final answer
    x = 928,928,497.70

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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.