Home / 1,158,969,939.90-1,738,454,909.85-698,671,175.10

Finding the Fourth Proportional to 1,158,969,939.90, 1,738,454,909.85 and 698,671,175.10

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Solution

The fourth proportional to 1,158,969,939.90, 1,738,454,909.85 and 698,671,175.10 is: 1,048,006,762.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,158,969,939.90 : 1,738,454,909.85 = 698,671,175.10 : x
  2. Step 2: Convert to fraction form
    1,158,969,939.90/1,738,454,909.85 = 698,671,175.10/x
  3. Step 3: Cross multiply
    1,158,969,939.90x = 1,738,454,909.85 × 698,671,175.10
  4. Step 4: Simplify right side
    1,158,969,939.90x = 1,214,608,334,723,264,000
  5. Step 5: Solve for x
    x = 1,214,608,334,723,264,000/1,158,969,939.90
  6. Step 6: Final answer
    x = 1,048,006,762.65

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Double scale
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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.