Home / 1,994,552,871.10-2,991,829,306.65-961,431,567.10

Finding the Fourth Proportional to 1,994,552,871.10, 2,991,829,306.65 and 961,431,567.10

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Solution

The fourth proportional to 1,994,552,871.10, 2,991,829,306.65 and 961,431,567.10 is: 1,442,147,350.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,994,552,871.10 : 2,991,829,306.65 = 961,431,567.10 : x
  2. Step 2: Convert to fraction form
    1,994,552,871.10/2,991,829,306.65 = 961,431,567.10/x
  3. Step 3: Cross multiply
    1,994,552,871.10x = 2,991,829,306.65 × 961,431,567.10
  4. Step 4: Simplify right side
    1,994,552,871.10x = 2,876,439,138,788,216,320
  5. Step 5: Solve for x
    x = 2,876,439,138,788,216,320/1,994,552,871.10
  6. Step 6: Final answer
    x = 1,442,147,350.65

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Double scale
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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.