Home / 21,426,435,701.48-32,152,186,212.62-7,990,002,198.92

Finding the Fourth Proportional to 21,426,435,701.48, 32,152,186,212.62 and 7,990,002,198.92

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Solution

The fourth proportional to 21,426,435,701.48, 32,152,186,212.62 and 7,990,002,198.92 is: 11,989,676,776.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,426,435,701.48 : 32,152,186,212.62 = 7,990,002,198.92 : x
  2. Step 2: Convert to fraction form
    21,426,435,701.48/32,152,186,212.62 = 7,990,002,198.92/x
  3. Step 3: Cross multiply
    21,426,435,701.48x = 32,152,186,212.62 × 7,990,002,198.92
  4. Step 4: Simplify right side
    21,426,435,701.48x = 256,896,038,538,959,552,512
  5. Step 5: Solve for x
    x = 256,896,038,538,959,552,512/21,426,435,701.48
  6. Step 6: Final answer
    x = 11,989,676,776.77

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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.