Home / 2,071,712,931.04-2,858,930,479.92-1,131,895,393.12

Finding the Fourth Proportional to 2,071,712,931.04, 2,858,930,479.92 and 1,131,895,393.12

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Solution

The fourth proportional to 2,071,712,931.04, 2,858,930,479.92 and 1,131,895,393.12 is: 1,561,997,413.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,071,712,931.04 : 2,858,930,479.92 = 1,131,895,393.12 : x
  2. Step 2: Convert to fraction form
    2,071,712,931.04/2,858,930,479.92 = 1,131,895,393.12/x
  3. Step 3: Cross multiply
    2,071,712,931.04x = 2,858,930,479.92 × 1,131,895,393.12
  4. Step 4: Simplify right side
    2,071,712,931.04x = 3,236,010,239,471,798,272
  5. Step 5: Solve for x
    x = 3,236,010,239,471,798,272/2,071,712,931.04
  6. Step 6: Final answer
    x = 1,561,997,413.34

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Double scale
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1.5x scale

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.