Home / 465,719,309.70-698,578,964.55-396,472,547.40

Finding the Fourth Proportional to 465,719,309.70, 698,578,964.55 and 396,472,547.40

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Solution

The fourth proportional to 465,719,309.70, 698,578,964.55 and 396,472,547.40 is: 594,708,821.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,719,309.70 : 698,578,964.55 = 396,472,547.40 : x
  2. Step 2: Convert to fraction form
    465,719,309.70/698,578,964.55 = 396,472,547.40/x
  3. Step 3: Cross multiply
    465,719,309.70x = 698,578,964.55 × 396,472,547.40
  4. Step 4: Simplify right side
    465,719,309.70x = 276,967,381,635,192,768
  5. Step 5: Solve for x
    x = 276,967,381,635,192,768/465,719,309.70
  6. Step 6: Final answer
    x = 594,708,821.10

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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.