Home / 947,874,331.17-1,421,947,506.15-292,882,549.68

Finding the Fourth Proportional to 947,874,331.17, 1,421,947,506.15 and 292,882,549.68

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Solution

The fourth proportional to 947,874,331.17, 1,421,947,506.15 and 292,882,549.68 is: 439,365,849.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,874,331.17 : 1,421,947,506.15 = 292,882,549.68 : x
  2. Step 2: Convert to fraction form
    947,874,331.17/1,421,947,506.15 = 292,882,549.68/x
  3. Step 3: Cross multiply
    947,874,331.17x = 1,421,947,506.15 × 292,882,549.68
  4. Step 4: Simplify right side
    947,874,331.17x = 416,463,611,112,329,536
  5. Step 5: Solve for x
    x = 416,463,611,112,329,536/947,874,331.17
  6. Step 6: Final answer
    x = 439,365,849.90

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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.