Home / 715,663,825.80-1,073,495,738.70-497,985,592.20

Finding the Fourth Proportional to 715,663,825.80, 1,073,495,738.70 and 497,985,592.20

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Solution

The fourth proportional to 715,663,825.80, 1,073,495,738.70 and 497,985,592.20 is: 746,978,388.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,663,825.80 : 1,073,495,738.70 = 497,985,592.20 : x
  2. Step 2: Convert to fraction form
    715,663,825.80/1,073,495,738.70 = 497,985,592.20/x
  3. Step 3: Cross multiply
    715,663,825.80x = 1,073,495,738.70 × 497,985,592.20
  4. Step 4: Simplify right side
    715,663,825.80x = 534,585,411,160,696,000
  5. Step 5: Solve for x
    x = 534,585,411,160,696,000/715,663,825.80
  6. Step 6: Final answer
    x = 746,978,388.30

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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.