Home / 1,520,088,908.28-2,280,477,178.60-820,566,029.36

Finding the Fourth Proportional to 1,520,088,908.28, 2,280,477,178.60 and 820,566,029.36

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Solution

The fourth proportional to 1,520,088,908.28, 2,280,477,178.60 and 820,566,029.36 is: 1,231,034,641.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,520,088,908.28 : 2,280,477,178.60 = 820,566,029.36 : x
  2. Step 2: Convert to fraction form
    1,520,088,908.28/2,280,477,178.60 = 820,566,029.36/x
  3. Step 3: Cross multiply
    1,520,088,908.28x = 2,280,477,178.60 × 820,566,029.36
  4. Step 4: Simplify right side
    1,520,088,908.28x = 1,871,282,103,489,897,472
  5. Step 5: Solve for x
    x = 1,871,282,103,489,897,472/1,520,088,908.28
  6. Step 6: Final answer
    x = 1,231,034,641.00

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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.