Home / 9,021,809,818.36-12,449,087,807.16-5,007,649,276.81

Finding the Fourth Proportional to 9,021,809,818.36, 12,449,087,807.16 and 5,007,649,276.81

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Solution

The fourth proportional to 9,021,809,818.36, 12,449,087,807.16 and 5,007,649,276.81 is: 6,909,995,534.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,021,809,818.36 : 12,449,087,807.16 = 5,007,649,276.81 : x
  2. Step 2: Convert to fraction form
    9,021,809,818.36/12,449,087,807.16 = 5,007,649,276.81/x
  3. Step 3: Cross multiply
    9,021,809,818.36x = 12,449,087,807.16 × 5,007,649,276.81
  4. Step 4: Simplify right side
    9,021,809,818.36x = 62,340,665,554,468,970,496
  5. Step 5: Solve for x
    x = 62,340,665,554,468,970,496/9,021,809,818.36
  6. Step 6: Final answer
    x = 6,909,995,534.11

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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.