Home / 2,157,287,737.74-2,976,209,984.97-1,252,889,710.98

Finding the Fourth Proportional to 2,157,287,737.74, 2,976,209,984.97 and 1,252,889,710.98

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Solution

The fourth proportional to 2,157,287,737.74, 2,976,209,984.97 and 1,252,889,710.98 is: 1,728,495,834.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,157,287,737.74 : 2,976,209,984.97 = 1,252,889,710.98 : x
  2. Step 2: Convert to fraction form
    2,157,287,737.74/2,976,209,984.97 = 1,252,889,710.98/x
  3. Step 3: Cross multiply
    2,157,287,737.74x = 2,976,209,984.97 × 1,252,889,710.98
  4. Step 4: Simplify right side
    2,157,287,737.74x = 3,728,862,867,884,853,248
  5. Step 5: Solve for x
    x = 3,728,862,867,884,853,248/2,157,287,737.74
  6. Step 6: Final answer
    x = 1,728,495,834.21

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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.