Home / 804,566,281.10-1,206,565,986.45-287,013,605.90

Finding the Fourth Proportional to 804,566,281.10, 1,206,565,986.45 and 287,013,605.90

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Solution

The fourth proportional to 804,566,281.10, 1,206,565,986.45 and 287,013,605.90 is: 430,419,298.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,566,281.10 : 1,206,565,986.45 = 287,013,605.90 : x
  2. Step 2: Convert to fraction form
    804,566,281.10/1,206,565,986.45 = 287,013,605.90/x
  3. Step 3: Cross multiply
    804,566,281.10x = 1,206,565,986.45 × 287,013,605.90
  4. Step 4: Simplify right side
    804,566,281.10x = 346,300,854,527,305,024
  5. Step 5: Solve for x
    x = 346,300,854,527,305,024/804,566,281.10
  6. Step 6: Final answer
    x = 430,419,298.77

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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.