Home / 1,520,088,894.72-2,280,477,159.24-820,566,016.20

Finding the Fourth Proportional to 1,520,088,894.72, 2,280,477,159.24 and 820,566,016.20

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Solution

The fourth proportional to 1,520,088,894.72, 2,280,477,159.24 and 820,566,016.20 is: 1,231,034,621.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,520,088,894.72 : 2,280,477,159.24 = 820,566,016.20 : x
  2. Step 2: Convert to fraction form
    1,520,088,894.72/2,280,477,159.24 = 820,566,016.20/x
  3. Step 3: Cross multiply
    1,520,088,894.72x = 2,280,477,159.24 × 820,566,016.20
  4. Step 4: Simplify right side
    1,520,088,894.72x = 1,871,282,057,592,659,712
  5. Step 5: Solve for x
    x = 1,871,282,057,592,659,712/1,520,088,894.72
  6. Step 6: Final answer
    x = 1,231,034,621.79

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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.