Home / 21,508,728,218.55-32,263,092,327.83-12,210,636,482.55

Finding the Fourth Proportional to 21,508,728,218.55, 32,263,092,327.83 and 12,210,636,482.55

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Solution

The fourth proportional to 21,508,728,218.55, 32,263,092,327.83 and 12,210,636,482.55 is: 18,315,954,723.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,508,728,218.55 : 32,263,092,327.83 = 12,210,636,482.55 : x
  2. Step 2: Convert to fraction form
    21,508,728,218.55/32,263,092,327.83 = 12,210,636,482.55/x
  3. Step 3: Cross multiply
    21,508,728,218.55x = 32,263,092,327.83 × 12,210,636,482.55
  4. Step 4: Simplify right side
    21,508,728,218.55x = 393,952,892,218,018,955,264
  5. Step 5: Solve for x
    x = 393,952,892,218,018,955,264/21,508,728,218.55
  6. Step 6: Final answer
    x = 18,315,954,723.83

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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.