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Finding the Fourth Proportional to 655,616,992.32, 904,803,035.13 and 373,371,378.17

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Solution

The fourth proportional to 655,616,992.32, 904,803,035.13 and 373,371,378.17 is: 515,281,879.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,616,992.32 : 904,803,035.13 = 373,371,378.17 : x
  2. Step 2: Convert to fraction form
    655,616,992.32/904,803,035.13 = 373,371,378.17/x
  3. Step 3: Cross multiply
    655,616,992.32x = 904,803,035.13 × 373,371,378.17
  4. Step 4: Simplify right side
    655,616,992.32x = 337,827,556,194,363,008
  5. Step 5: Solve for x
    x = 337,827,556,194,363,008/655,616,992.32
  6. Step 6: Final answer
    x = 515,281,879.74

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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.