Home / 1,096,101,423.70-1,644,152,135.55-863,649,130.30

Finding the Fourth Proportional to 1,096,101,423.70, 1,644,152,135.55 and 863,649,130.30

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Solution

The fourth proportional to 1,096,101,423.70, 1,644,152,135.55 and 863,649,130.30 is: 1,295,473,695.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,096,101,423.70 : 1,644,152,135.55 = 863,649,130.30 : x
  2. Step 2: Convert to fraction form
    1,096,101,423.70/1,644,152,135.55 = 863,649,130.30/x
  3. Step 3: Cross multiply
    1,096,101,423.70x = 1,644,152,135.55 × 863,649,130.30
  4. Step 4: Simplify right side
    1,096,101,423.70x = 1,419,970,561,948,645,120
  5. Step 5: Solve for x
    x = 1,419,970,561,948,645,120/1,096,101,423.70
  6. Step 6: Final answer
    x = 1,295,473,695.45

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Half scale
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Double scale
Find fourth proportional to 1,096,101,424.70, 1,644,152,137.05 and 863,649,131.30
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.