Home / 832,705,464.20-1,248,162,401.10-314,935,838.60

Finding the Fourth Proportional to 832,705,464.20, 1,248,162,401.10 and 314,935,838.60

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Solution

The fourth proportional to 832,705,464.20, 1,248,162,401.10 and 314,935,838.60 is: 472,064,961.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,705,464.20 : 1,248,162,401.10 = 314,935,838.60 : x
  2. Step 2: Convert to fraction form
    832,705,464.20/1,248,162,401.10 = 314,935,838.60/x
  3. Step 3: Cross multiply
    832,705,464.20x = 1,248,162,401.10 × 314,935,838.60
  4. Step 4: Simplify right side
    832,705,464.20x = 393,091,072,499,418,048
  5. Step 5: Solve for x
    x = 393,091,072,499,418,048/832,705,464.20
  6. Step 6: Final answer
    x = 472,064,961.02

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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.