Home / 1,079,812,066.80-1,490,133,233.52-584,763,446.64

Finding the Fourth Proportional to 1,079,812,066.80, 1,490,133,233.52 and 584,763,446.64

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Solution

The fourth proportional to 1,079,812,066.80, 1,490,133,233.52 and 584,763,446.64 is: 806,969,538.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,812,066.80 : 1,490,133,233.52 = 584,763,446.64 : x
  2. Step 2: Convert to fraction form
    1,079,812,066.80/1,490,133,233.52 = 584,763,446.64/x
  3. Step 3: Cross multiply
    1,079,812,066.80x = 1,490,133,233.52 × 584,763,446.64
  4. Step 4: Simplify right side
    1,079,812,066.80x = 871,375,445,585,963,136
  5. Step 5: Solve for x
    x = 871,375,445,585,963,136/1,079,812,066.80
  6. Step 6: Final answer
    x = 806,969,538.85

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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.