Home / 10,938,687,050.88-15,087,059,502.30-9,415,367,848.26

Finding the Fourth Proportional to 10,938,687,050.88, 15,087,059,502.30 and 9,415,367,848.26

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Solution

The fourth proportional to 10,938,687,050.88, 15,087,059,502.30 and 9,415,367,848.26 is: 12,986,038,845.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,938,687,050.88 : 15,087,059,502.30 = 9,415,367,848.26 : x
  2. Step 2: Convert to fraction form
    10,938,687,050.88/15,087,059,502.30 = 9,415,367,848.26/x
  3. Step 3: Cross multiply
    10,938,687,050.88x = 15,087,059,502.30 × 9,415,367,848.26
  4. Step 4: Simplify right side
    10,938,687,050.88x = 142,050,214,962,740,936,704
  5. Step 5: Solve for x
    x = 142,050,214,962,740,936,704/10,938,687,050.88
  6. Step 6: Final answer
    x = 12,986,038,845.61

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Double scale
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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.