Home / 1,071,920,230.68-1,479,260,321.25-619,764,249.17

Finding the Fourth Proportional to 1,071,920,230.68, 1,479,260,321.25 and 619,764,249.17

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Solution

The fourth proportional to 1,071,920,230.68, 1,479,260,321.25 and 619,764,249.17 is: 855,280,678.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,071,920,230.68 : 1,479,260,321.25 = 619,764,249.17 : x
  2. Step 2: Convert to fraction form
    1,071,920,230.68/1,479,260,321.25 = 619,764,249.17/x
  3. Step 3: Cross multiply
    1,071,920,230.68x = 1,479,260,321.25 × 619,764,249.17
  4. Step 4: Simplify right side
    1,071,920,230.68x = 916,792,662,319,082,880
  5. Step 5: Solve for x
    x = 916,792,662,319,082,880/1,071,920,230.68
  6. Step 6: Final answer
    x = 855,280,678.62

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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.