Home / 1,282,404,391.13-1,924,850,486.00-618,885,357.22

Finding the Fourth Proportional to 1,282,404,391.13, 1,924,850,486.00 and 618,885,357.22

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Solution

The fourth proportional to 1,282,404,391.13, 1,924,850,486.00 and 618,885,357.22 is: 928,928,338.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,282,404,391.13 : 1,924,850,486.00 = 618,885,357.22 : x
  2. Step 2: Convert to fraction form
    1,282,404,391.13/1,924,850,486.00 = 618,885,357.22/x
  3. Step 3: Cross multiply
    1,282,404,391.13x = 1,924,850,486.00 × 618,885,357.22
  4. Step 4: Simplify right side
    1,282,404,391.13x = 1,191,261,780,612,808,704
  5. Step 5: Solve for x
    x = 1,191,261,780,612,808,704/1,282,404,391.13
  6. Step 6: Final answer
    x = 928,928,338.72

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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.