Home / 1,484,469,213.74-2,048,445,549.32-815,379,680.34

Finding the Fourth Proportional to 1,484,469,213.74, 2,048,445,549.32 and 815,379,680.34

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Solution

The fourth proportional to 1,484,469,213.74, 2,048,445,549.32 and 815,379,680.34 is: 1,125,156,966.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,484,469,213.74 : 2,048,445,549.32 = 815,379,680.34 : x
  2. Step 2: Convert to fraction form
    1,484,469,213.74/2,048,445,549.32 = 815,379,680.34/x
  3. Step 3: Cross multiply
    1,484,469,213.74x = 2,048,445,549.32 × 815,379,680.34
  4. Step 4: Simplify right side
    1,484,469,213.74x = 1,670,260,877,198,437,376
  5. Step 5: Solve for x
    x = 1,670,260,877,198,437,376/1,484,469,213.74
  6. Step 6: Final answer
    x = 1,125,156,966.37

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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.