Home / 6,811,867,335.80-10,215,887,816.10-2,155,168,717.40

Finding the Fourth Proportional to 6,811,867,335.80, 10,215,887,816.10 and 2,155,168,717.40

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Solution

The fourth proportional to 6,811,867,335.80, 10,215,887,816.10 and 2,155,168,717.40 is: 3,232,147,773.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,811,867,335.80 : 10,215,887,816.10 = 2,155,168,717.40 : x
  2. Step 2: Convert to fraction form
    6,811,867,335.80/10,215,887,816.10 = 2,155,168,717.40/x
  3. Step 3: Cross multiply
    6,811,867,335.80x = 10,215,887,816.10 × 2,155,168,717.40
  4. Step 4: Simplify right side
    6,811,867,335.80x = 22,016,961,841,726,525,440
  5. Step 5: Solve for x
    x = 22,016,961,841,726,525,440/6,811,867,335.80
  6. Step 6: Final answer
    x = 3,232,147,773.34

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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.