Home / 8,658,051,506.10-12,987,077,259.15-7,418,305,941.30

Finding the Fourth Proportional to 8,658,051,506.10, 12,987,077,259.15 and 7,418,305,941.30

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Solution

The fourth proportional to 8,658,051,506.10, 12,987,077,259.15 and 7,418,305,941.30 is: 11,127,458,911.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,658,051,506.10 : 12,987,077,259.15 = 7,418,305,941.30 : x
  2. Step 2: Convert to fraction form
    8,658,051,506.10/12,987,077,259.15 = 7,418,305,941.30/x
  3. Step 3: Cross multiply
    8,658,051,506.10x = 12,987,077,259.15 × 7,418,305,941.30
  4. Step 4: Simplify right side
    8,658,051,506.10x = 96,342,112,391,674,560,512
  5. Step 5: Solve for x
    x = 96,342,112,391,674,560,512/8,658,051,506.10
  6. Step 6: Final answer
    x = 11,127,458,911.95

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Double scale
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Similar ratio
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1.5x scale

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.