Home / 1,158,971,332.90-1,738,456,999.35-698,672,568.10

Finding the Fourth Proportional to 1,158,971,332.90, 1,738,456,999.35 and 698,672,568.10

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Solution

The fourth proportional to 1,158,971,332.90, 1,738,456,999.35 and 698,672,568.10 is: 1,048,008,852.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,158,971,332.90 : 1,738,456,999.35 = 698,672,568.10 : x
  2. Step 2: Convert to fraction form
    1,158,971,332.90/1,738,456,999.35 = 698,672,568.10/x
  3. Step 3: Cross multiply
    1,158,971,332.90x = 1,738,456,999.35 × 698,672,568.10
  4. Step 4: Simplify right side
    1,158,971,332.90x = 1,214,612,216,267,284,480
  5. Step 5: Solve for x
    x = 1,214,612,216,267,284,480/1,158,971,332.90
  6. Step 6: Final answer
    x = 1,048,008,852.15

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Double scale
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Similar ratio
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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.