Home / 554,432,082.18-831,367,876.14-324,470,256.90

Finding the Fourth Proportional to 554,432,082.18, 831,367,876.14 and 324,470,256.90

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Solution

The fourth proportional to 554,432,082.18, 831,367,876.14 and 324,470,256.90 is: 486,541,376.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,432,082.18 : 831,367,876.14 = 324,470,256.90 : x
  2. Step 2: Convert to fraction form
    554,432,082.18/831,367,876.14 = 324,470,256.90/x
  3. Step 3: Cross multiply
    554,432,082.18x = 831,367,876.14 × 324,470,256.90
  4. Step 4: Simplify right side
    554,432,082.18x = 269,754,148,349,553,152
  5. Step 5: Solve for x
    x = 269,754,148,349,553,152/554,432,082.18
  6. Step 6: Final answer
    x = 486,541,376.34

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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.