Home / 508,930,961.44-702,381,596.51-308,098,491.56

Finding the Fourth Proportional to 508,930,961.44, 702,381,596.51 and 308,098,491.56

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Solution

The fourth proportional to 508,930,961.44, 702,381,596.51 and 308,098,491.56 is: 425,210,346.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,930,961.44 : 702,381,596.51 = 308,098,491.56 : x
  2. Step 2: Convert to fraction form
    508,930,961.44/702,381,596.51 = 308,098,491.56/x
  3. Step 3: Cross multiply
    508,930,961.44x = 702,381,596.51 × 308,098,491.56
  4. Step 4: Simplify right side
    508,930,961.44x = 216,402,710,381,281,376
  5. Step 5: Solve for x
    x = 216,402,710,381,281,376/508,930,961.44
  6. Step 6: Final answer
    x = 425,210,346.35

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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.