Home / 21,783,247,083.27-30,060,087,339.17-12,137,478,673.46

Finding the Fourth Proportional to 21,783,247,083.27, 30,060,087,339.17 and 12,137,478,673.46

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Solution

The fourth proportional to 21,783,247,083.27, 30,060,087,339.17 and 12,137,478,673.46 is: 16,749,278,360.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,783,247,083.27 : 30,060,087,339.17 = 12,137,478,673.46 : x
  2. Step 2: Convert to fraction form
    21,783,247,083.27/30,060,087,339.17 = 12,137,478,673.46/x
  3. Step 3: Cross multiply
    21,783,247,083.27x = 30,060,087,339.17 × 12,137,478,673.46
  4. Step 4: Simplify right side
    21,783,247,083.27x = 364,853,669,001,406,971,904
  5. Step 5: Solve for x
    x = 364,853,669,001,406,971,904/21,783,247,083.27
  6. Step 6: Final answer
    x = 16,749,278,360.88

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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.