Home / 21,284,046,765.34-29,358,144,820.84-13,651,002,407.72

Finding the Fourth Proportional to 21,284,046,765.34, 29,358,144,820.84 and 13,651,002,407.72

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Solution

The fourth proportional to 21,284,046,765.34, 29,358,144,820.84 and 13,651,002,407.72 is: 18,829,506,909.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,284,046,765.34 : 29,358,144,820.84 = 13,651,002,407.72 : x
  2. Step 2: Convert to fraction form
    21,284,046,765.34/29,358,144,820.84 = 13,651,002,407.72/x
  3. Step 3: Cross multiply
    21,284,046,765.34x = 29,358,144,820.84 × 13,651,002,407.72
  4. Step 4: Simplify right side
    21,284,046,765.34x = 400,768,105,635,506,552,832
  5. Step 5: Solve for x
    x = 400,768,105,635,506,552,832/21,284,046,765.34
  6. Step 6: Final answer
    x = 18,829,506,909.75

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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.