Home / 612,689,504.93-914,255,633.81-546,656,715.23

Finding the Fourth Proportional to 612,689,504.93, 914,255,633.81 and 546,656,715.23

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Solution

The fourth proportional to 612,689,504.93, 914,255,633.81 and 546,656,715.23 is: 815,721,466.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,689,504.93 : 914,255,633.81 = 546,656,715.23 : x
  2. Step 2: Convert to fraction form
    612,689,504.93/914,255,633.81 = 546,656,715.23/x
  3. Step 3: Cross multiply
    612,689,504.93x = 914,255,633.81 × 546,656,715.23
  4. Step 4: Simplify right side
    612,689,504.93x = 499,783,981,651,791,744
  5. Step 5: Solve for x
    x = 499,783,981,651,791,744/612,689,504.93
  6. Step 6: Final answer
    x = 815,721,466.80

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.