Home / 1,971,835,773.12-2,721,218,397.12-1,091,769,554.88

Finding the Fourth Proportional to 1,971,835,773.12, 2,721,218,397.12 and 1,091,769,554.88

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Solution

The fourth proportional to 1,971,835,773.12, 2,721,218,397.12 and 1,091,769,554.88 is: 1,506,689,065.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,971,835,773.12 : 2,721,218,397.12 = 1,091,769,554.88 : x
  2. Step 2: Convert to fraction form
    1,971,835,773.12/2,721,218,397.12 = 1,091,769,554.88/x
  3. Step 3: Cross multiply
    1,971,835,773.12x = 2,721,218,397.12 × 1,091,769,554.88
  4. Step 4: Simplify right side
    1,971,835,773.12x = 2,970,943,398,154,969,600
  5. Step 5: Solve for x
    x = 2,970,943,398,154,969,600/1,971,835,773.12
  6. Step 6: Final answer
    x = 1,506,689,065.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.