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Finding the Fourth Proportional to 663,492,306.40, 994,508,552.40 and 232,448,927.20

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Solution

The fourth proportional to 663,492,306.40, 994,508,552.40 and 232,448,927.20 is: 348,417,673.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,492,306.40 : 994,508,552.40 = 232,448,927.20 : x
  2. Step 2: Convert to fraction form
    663,492,306.40/994,508,552.40 = 232,448,927.20/x
  3. Step 3: Cross multiply
    663,492,306.40x = 994,508,552.40 × 232,448,927.20
  4. Step 4: Simplify right side
    663,492,306.40x = 231,172,446,096,604,960
  5. Step 5: Solve for x
    x = 231,172,446,096,604,960/663,492,306.40
  6. Step 6: Final answer
    x = 348,417,673.98

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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.