Home / 679,955,516.70-1,019,933,275.05-220,223,622.30

Finding the Fourth Proportional to 679,955,516.70, 1,019,933,275.05 and 220,223,622.30

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Solution

The fourth proportional to 679,955,516.70, 1,019,933,275.05 and 220,223,622.30 is: 330,335,433.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,955,516.70 : 1,019,933,275.05 = 220,223,622.30 : x
  2. Step 2: Convert to fraction form
    679,955,516.70/1,019,933,275.05 = 220,223,622.30/x
  3. Step 3: Cross multiply
    679,955,516.70x = 1,019,933,275.05 × 220,223,622.30
  4. Step 4: Simplify right side
    679,955,516.70x = 224,613,400,335,813,216
  5. Step 5: Solve for x
    x = 224,613,400,335,813,216/679,955,516.70
  6. Step 6: Final answer
    x = 330,335,433.45

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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.