Home / 914,333,006.92-1,261,884,223.50-512,555,271.88

Finding the Fourth Proportional to 914,333,006.92, 1,261,884,223.50 and 512,555,271.88

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Solution

The fourth proportional to 914,333,006.92, 1,261,884,223.50 and 512,555,271.88 is: 707,384,953.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,333,006.92 : 1,261,884,223.50 = 512,555,271.88 : x
  2. Step 2: Convert to fraction form
    914,333,006.92/1,261,884,223.50 = 512,555,271.88/x
  3. Step 3: Cross multiply
    914,333,006.92x = 1,261,884,223.50 × 512,555,271.88
  4. Step 4: Simplify right side
    914,333,006.92x = 646,785,411,257,125,120
  5. Step 5: Solve for x
    x = 646,785,411,257,125,120/914,333,006.92
  6. Step 6: Final answer
    x = 707,384,953.14

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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.