Home / 2,218,011,151.56-3,060,856,112.03-1,214,492,316.81

Finding the Fourth Proportional to 2,218,011,151.56, 3,060,856,112.03 and 1,214,492,316.81

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Solution

The fourth proportional to 2,218,011,151.56, 3,060,856,112.03 and 1,214,492,316.81 is: 1,675,999,793.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,218,011,151.56 : 3,060,856,112.03 = 1,214,492,316.81 : x
  2. Step 2: Convert to fraction form
    2,218,011,151.56/3,060,856,112.03 = 1,214,492,316.81/x
  3. Step 3: Cross multiply
    2,218,011,151.56x = 3,060,856,112.03 × 1,214,492,316.81
  4. Step 4: Simplify right side
    2,218,011,151.56x = 3,717,386,230,921,363,456
  5. Step 5: Solve for x
    x = 3,717,386,230,921,363,456/2,218,011,151.56
  6. Step 6: Final answer
    x = 1,675,999,793.02

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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.