Home / 1,272,499,195.68-1,908,729,615.96-572,496,988.32

Finding the Fourth Proportional to 1,272,499,195.68, 1,908,729,615.96 and 572,496,988.32

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Solution

The fourth proportional to 1,272,499,195.68, 1,908,729,615.96 and 572,496,988.32 is: 858,736,854.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,272,499,195.68 : 1,908,729,615.96 = 572,496,988.32 : x
  2. Step 2: Convert to fraction form
    1,272,499,195.68/1,908,729,615.96 = 572,496,988.32/x
  3. Step 3: Cross multiply
    1,272,499,195.68x = 1,908,729,615.96 × 572,496,988.32
  4. Step 4: Simplify right side
    1,272,499,195.68x = 1,092,741,956,654,290,304
  5. Step 5: Solve for x
    x = 1,092,741,956,654,290,304/1,272,499,195.68
  6. Step 6: Final answer
    x = 858,736,854.50

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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.