Home / 12,854,537,890.80-17,737,655,980.98-7,138,045,082.88

Finding the Fourth Proportional to 12,854,537,890.80, 17,737,655,980.98 and 7,138,045,082.88

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Solution

The fourth proportional to 12,854,537,890.80, 17,737,655,980.98 and 7,138,045,082.88 is: 9,849,610,241.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,854,537,890.80 : 17,737,655,980.98 = 7,138,045,082.88 : x
  2. Step 2: Convert to fraction form
    12,854,537,890.80/17,737,655,980.98 = 7,138,045,082.88/x
  3. Step 3: Cross multiply
    12,854,537,890.80x = 17,737,655,980.98 × 7,138,045,082.88
  4. Step 4: Simplify right side
    12,854,537,890.80x = 126,612,188,056,851,316,736
  5. Step 5: Solve for x
    x = 126,612,188,056,851,316,736/12,854,537,890.80
  6. Step 6: Final answer
    x = 9,849,610,241.33

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1.5x scale

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.