Home / 912,424,592.96-1,259,170,696.94-516,006,862.50

Finding the Fourth Proportional to 912,424,592.96, 1,259,170,696.94 and 516,006,862.50

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Solution

The fourth proportional to 912,424,592.96, 1,259,170,696.94 and 516,006,862.50 is: 712,103,472.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,424,592.96 : 1,259,170,696.94 = 516,006,862.50 : x
  2. Step 2: Convert to fraction form
    912,424,592.96/1,259,170,696.94 = 516,006,862.50/x
  3. Step 3: Cross multiply
    912,424,592.96x = 1,259,170,696.94 × 516,006,862.50
  4. Step 4: Simplify right side
    912,424,592.96x = 649,740,720,677,367,680
  5. Step 5: Solve for x
    x = 649,740,720,677,367,680/912,424,592.96
  6. Step 6: Final answer
    x = 712,103,472.11

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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.