Home / 1,011,096,101.70-1,516,644,152.55-863,142,927.30

Finding the Fourth Proportional to 1,011,096,101.70, 1,516,644,152.55 and 863,142,927.30

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Solution

The fourth proportional to 1,011,096,101.70, 1,516,644,152.55 and 863,142,927.30 is: 1,294,714,390.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,096,101.70 : 1,516,644,152.55 = 863,142,927.30 : x
  2. Step 2: Convert to fraction form
    1,011,096,101.70/1,516,644,152.55 = 863,142,927.30/x
  3. Step 3: Cross multiply
    1,011,096,101.70x = 1,516,644,152.55 × 863,142,927.30
  4. Step 4: Simplify right side
    1,011,096,101.70x = 1,309,080,673,504,434,688
  5. Step 5: Solve for x
    x = 1,309,080,673,504,434,688/1,011,096,101.70
  6. Step 6: Final answer
    x = 1,294,714,390.95

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Half scale
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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.