Home / 839,990,882.92-1,159,014,359.42-482,689,646.14

Finding the Fourth Proportional to 839,990,882.92, 1,159,014,359.42 and 482,689,646.14

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Solution

The fourth proportional to 839,990,882.92, 1,159,014,359.42 and 482,689,646.14 is: 666,012,265.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,990,882.92 : 1,159,014,359.42 = 482,689,646.14 : x
  2. Step 2: Convert to fraction form
    839,990,882.92/1,159,014,359.42 = 482,689,646.14/x
  3. Step 3: Cross multiply
    839,990,882.92x = 1,159,014,359.42 × 482,689,646.14
  4. Step 4: Simplify right side
    839,990,882.92x = 559,444,231,019,618,624
  5. Step 5: Solve for x
    x = 559,444,231,019,618,624/839,990,882.92
  6. Step 6: Final answer
    x = 666,012,265.60

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Double scale
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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.