Home / 951,866,485.86-1,312,662,869.73-612,428,517.66

Finding the Fourth Proportional to 951,866,485.86, 1,312,662,869.73 and 612,428,517.66

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Solution

The fourth proportional to 951,866,485.86, 1,312,662,869.73 and 612,428,517.66 is: 844,564,009.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    951,866,485.86 : 1,312,662,869.73 = 612,428,517.66 : x
  2. Step 2: Convert to fraction form
    951,866,485.86/1,312,662,869.73 = 612,428,517.66/x
  3. Step 3: Cross multiply
    951,866,485.86x = 1,312,662,869.73 × 612,428,517.66
  4. Step 4: Simplify right side
    951,866,485.86x = 803,912,175,496,065,536
  5. Step 5: Solve for x
    x = 803,912,175,496,065,536/951,866,485.86
  6. Step 6: Final answer
    x = 844,564,009.17

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