Home / 12,837,738,952.64-17,708,719,267.92-8,006,716,687.61

Finding the Fourth Proportional to 12,837,738,952.64, 17,708,719,267.92 and 8,006,716,687.61

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Solution

The fourth proportional to 12,837,738,952.64, 17,708,719,267.92 and 8,006,716,687.61 is: 11,044,678,397.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,837,738,952.64 : 17,708,719,267.92 = 8,006,716,687.61 : x
  2. Step 2: Convert to fraction form
    12,837,738,952.64/17,708,719,267.92 = 8,006,716,687.61/x
  3. Step 3: Cross multiply
    12,837,738,952.64x = 17,708,719,267.92 × 8,006,716,687.61
  4. Step 4: Simplify right side
    12,837,738,952.64x = 141,788,698,078,567,235,584
  5. Step 5: Solve for x
    x = 141,788,698,078,567,235,584/12,837,738,952.64
  6. Step 6: Final answer
    x = 11,044,678,397.16

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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.