Home / 21,266,919,026.86-29,350,021,251.90-12,111,834,970.16

Finding the Fourth Proportional to 21,266,919,026.86, 29,350,021,251.90 and 12,111,834,970.16

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Solution

The fourth proportional to 21,266,919,026.86, 29,350,021,251.90 and 12,111,834,970.16 is: 16,715,285,054.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,266,919,026.86 : 29,350,021,251.90 = 12,111,834,970.16 : x
  2. Step 2: Convert to fraction form
    21,266,919,026.86/29,350,021,251.90 = 12,111,834,970.16/x
  3. Step 3: Cross multiply
    21,266,919,026.86x = 29,350,021,251.90 × 12,111,834,970.16
  4. Step 4: Simplify right side
    21,266,919,026.86x = 355,482,613,773,701,611,520
  5. Step 5: Solve for x
    x = 355,482,613,773,701,611,520/21,266,919,026.86
  6. Step 6: Final answer
    x = 16,715,285,054.91

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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.