Home / 851,437,427.40-1,277,156,141.10-647,364,083.40

Finding the Fourth Proportional to 851,437,427.40, 1,277,156,141.10 and 647,364,083.40

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Solution

The fourth proportional to 851,437,427.40, 1,277,156,141.10 and 647,364,083.40 is: 971,046,125.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,437,427.40 : 1,277,156,141.10 = 647,364,083.40 : x
  2. Step 2: Convert to fraction form
    851,437,427.40/1,277,156,141.10 = 647,364,083.40/x
  3. Step 3: Cross multiply
    851,437,427.40x = 1,277,156,141.10 × 647,364,083.40
  4. Step 4: Simplify right side
    851,437,427.40x = 826,785,014,641,882,496
  5. Step 5: Solve for x
    x = 826,785,014,641,882,496/851,437,427.40
  6. Step 6: Final answer
    x = 971,046,125.10

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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.