Home / 1,209,534,851.04-1,814,566,876.56-391,729,820.64

Finding the Fourth Proportional to 1,209,534,851.04, 1,814,566,876.56 and 391,729,820.64

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Solution

The fourth proportional to 1,209,534,851.04, 1,814,566,876.56 and 391,729,820.64 is: 587,680,426.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,209,534,851.04 : 1,814,566,876.56 = 391,729,820.64 : x
  2. Step 2: Convert to fraction form
    1,209,534,851.04/1,814,566,876.56 = 391,729,820.64/x
  3. Step 3: Cross multiply
    1,209,534,851.04x = 1,814,566,876.56 × 391,729,820.64
  4. Step 4: Simplify right side
    1,209,534,851.04x = 710,819,957,094,133,760
  5. Step 5: Solve for x
    x = 710,819,957,094,133,760/1,209,534,851.04
  6. Step 6: Final answer
    x = 587,680,426.47

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.