Home / 13,913,878,849.20-20,870,818,273.80-7,278,944,252.40

Finding the Fourth Proportional to 13,913,878,849.20, 20,870,818,273.80 and 7,278,944,252.40

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Solution

The fourth proportional to 13,913,878,849.20, 20,870,818,273.80 and 7,278,944,252.40 is: 10,918,416,378.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,913,878,849.20 : 20,870,818,273.80 = 7,278,944,252.40 : x
  2. Step 2: Convert to fraction form
    13,913,878,849.20/20,870,818,273.80 = 7,278,944,252.40/x
  3. Step 3: Cross multiply
    13,913,878,849.20x = 20,870,818,273.80 × 7,278,944,252.40
  4. Step 4: Simplify right side
    13,913,878,849.20x = 151,917,522,716,961,374,208
  5. Step 5: Solve for x
    x = 151,917,522,716,961,374,208/13,913,878,849.20
  6. Step 6: Final answer
    x = 10,918,416,378.60

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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.