Home / 986,896,812.30-1,480,345,218.45-831,928,616.70

Finding the Fourth Proportional to 986,896,812.30, 1,480,345,218.45 and 831,928,616.70

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Solution

The fourth proportional to 986,896,812.30, 1,480,345,218.45 and 831,928,616.70 is: 1,247,892,925.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,896,812.30 : 1,480,345,218.45 = 831,928,616.70 : x
  2. Step 2: Convert to fraction form
    986,896,812.30/1,480,345,218.45 = 831,928,616.70/x
  3. Step 3: Cross multiply
    986,896,812.30x = 1,480,345,218.45 × 831,928,616.70
  4. Step 4: Simplify right side
    986,896,812.30x = 1,231,541,549,823,567,872
  5. Step 5: Solve for x
    x = 1,231,541,549,823,567,872/986,896,812.30
  6. Step 6: Final answer
    x = 1,247,892,925.05

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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.