Home / 21,856,821,828.68-30,162,424,215.12-11,832,316,675.80

Finding the Fourth Proportional to 21,856,821,828.68, 30,162,424,215.12 and 11,832,316,675.80

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Solution

The fourth proportional to 21,856,821,828.68, 30,162,424,215.12 and 11,832,316,675.80 is: 16,328,602,475.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,856,821,828.68 : 30,162,424,215.12 = 11,832,316,675.80 : x
  2. Step 2: Convert to fraction form
    21,856,821,828.68/30,162,424,215.12 = 11,832,316,675.80/x
  3. Step 3: Cross multiply
    21,856,821,828.68x = 30,162,424,215.12 × 11,832,316,675.80
  4. Step 4: Simplify right side
    21,856,821,828.68x = 356,891,355,023,118,041,088
  5. Step 5: Solve for x
    x = 356,891,355,023,118,041,088/21,856,821,828.68
  6. Step 6: Final answer
    x = 16,328,602,475.72

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Double scale
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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.