Home / 715,663,824.30-1,073,495,736.45-497,985,590.70

Finding the Fourth Proportional to 715,663,824.30, 1,073,495,736.45 and 497,985,590.70

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Solution

The fourth proportional to 715,663,824.30, 1,073,495,736.45 and 497,985,590.70 is: 746,978,386.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,663,824.30 : 1,073,495,736.45 = 497,985,590.70 : x
  2. Step 2: Convert to fraction form
    715,663,824.30/1,073,495,736.45 = 497,985,590.70/x
  3. Step 3: Cross multiply
    715,663,824.30x = 1,073,495,736.45 × 497,985,590.70
  4. Step 4: Simplify right side
    715,663,824.30x = 534,585,408,429,984,768
  5. Step 5: Solve for x
    x = 534,585,408,429,984,768/715,663,824.30
  6. Step 6: Final answer
    x = 746,978,386.05

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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.