Home / 512,817,316.92-707,690,360.94-277,867,915.11

Finding the Fourth Proportional to 512,817,316.92, 707,690,360.94 and 277,867,915.11

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Solution

The fourth proportional to 512,817,316.92, 707,690,360.94 and 277,867,915.11 is: 383,459,057.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,817,316.92 : 707,690,360.94 = 277,867,915.11 : x
  2. Step 2: Convert to fraction form
    512,817,316.92/707,690,360.94 = 277,867,915.11/x
  3. Step 3: Cross multiply
    512,817,316.92x = 707,690,360.94 × 277,867,915.11
  4. Step 4: Simplify right side
    512,817,316.92x = 196,644,445,137,841,216
  5. Step 5: Solve for x
    x = 196,644,445,137,841,216/512,817,316.92
  6. Step 6: Final answer
    x = 383,459,057.74

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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.