Home / 1,158,985,449.40-1,738,478,174.10-698,686,684.60

Finding the Fourth Proportional to 1,158,985,449.40, 1,738,478,174.10 and 698,686,684.60

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Solution

The fourth proportional to 1,158,985,449.40, 1,738,478,174.10 and 698,686,684.60 is: 1,048,030,026.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,158,985,449.40 : 1,738,478,174.10 = 698,686,684.60 : x
  2. Step 2: Convert to fraction form
    1,158,985,449.40/1,738,478,174.10 = 698,686,684.60/x
  3. Step 3: Cross multiply
    1,158,985,449.40x = 1,738,478,174.10 × 698,686,684.60
  4. Step 4: Simplify right side
    1,158,985,449.40x = 1,214,651,551,711,390,464
  5. Step 5: Solve for x
    x = 1,214,651,551,711,390,464/1,158,985,449.40
  6. Step 6: Final answer
    x = 1,048,030,026.90

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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.