Home / 8,658,051,506.60-12,987,077,259.90-7,418,305,941.80

Finding the Fourth Proportional to 8,658,051,506.60, 12,987,077,259.90 and 7,418,305,941.80

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Solution

The fourth proportional to 8,658,051,506.60, 12,987,077,259.90 and 7,418,305,941.80 is: 11,127,458,912.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,658,051,506.60 : 12,987,077,259.90 = 7,418,305,941.80 : x
  2. Step 2: Convert to fraction form
    8,658,051,506.60/12,987,077,259.90 = 7,418,305,941.80/x
  3. Step 3: Cross multiply
    8,658,051,506.60x = 12,987,077,259.90 × 7,418,305,941.80
  4. Step 4: Simplify right side
    8,658,051,506.60x = 96,342,112,403,731,824,640
  5. Step 5: Solve for x
    x = 96,342,112,403,731,824,640/8,658,051,506.60
  6. Step 6: Final answer
    x = 11,127,458,912.70

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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.