Home / 916,992,046.20-1,375,488,069.30-626,754,401.40

Finding the Fourth Proportional to 916,992,046.20, 1,375,488,069.30 and 626,754,401.40

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Solution

The fourth proportional to 916,992,046.20, 1,375,488,069.30 and 626,754,401.40 is: 940,131,602.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,992,046.20 : 1,375,488,069.30 = 626,754,401.40 : x
  2. Step 2: Convert to fraction form
    916,992,046.20/1,375,488,069.30 = 626,754,401.40/x
  3. Step 3: Cross multiply
    916,992,046.20x = 1,375,488,069.30 × 626,754,401.40
  4. Step 4: Simplify right side
    916,992,046.20x = 862,093,201,506,963,200
  5. Step 5: Solve for x
    x = 862,093,201,506,963,200/916,992,046.20
  6. Step 6: Final answer
    x = 940,131,602.10

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Why These Related Problems?

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