Home / 1,259,746,632.10-1,889,619,948.15-398,103,624.10

Finding the Fourth Proportional to 1,259,746,632.10, 1,889,619,948.15 and 398,103,624.10

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Solution

The fourth proportional to 1,259,746,632.10, 1,889,619,948.15 and 398,103,624.10 is: 597,155,436.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,746,632.10 : 1,889,619,948.15 = 398,103,624.10 : x
  2. Step 2: Convert to fraction form
    1,259,746,632.10/1,889,619,948.15 = 398,103,624.10/x
  3. Step 3: Cross multiply
    1,259,746,632.10x = 1,889,619,948.15 × 398,103,624.10
  4. Step 4: Simplify right side
    1,259,746,632.10x = 752,264,549,530,169,216
  5. Step 5: Solve for x
    x = 752,264,549,530,169,216/1,259,746,632.10
  6. Step 6: Final answer
    x = 597,155,436.15

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Double scale
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Similar ratio
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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.