Home / 1,158,970,067.40-1,738,455,101.10-698,671,302.60

Finding the Fourth Proportional to 1,158,970,067.40, 1,738,455,101.10 and 698,671,302.60

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Solution

The fourth proportional to 1,158,970,067.40, 1,738,455,101.10 and 698,671,302.60 is: 1,048,006,953.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,158,970,067.40 : 1,738,455,101.10 = 698,671,302.60 : x
  2. Step 2: Convert to fraction form
    1,158,970,067.40/1,738,455,101.10 = 698,671,302.60/x
  3. Step 3: Cross multiply
    1,158,970,067.40x = 1,738,455,101.10 × 698,671,302.60
  4. Step 4: Simplify right side
    1,158,970,067.40x = 1,214,608,689,997,151,744
  5. Step 5: Solve for x
    x = 1,214,608,689,997,151,744/1,158,970,067.40
  6. Step 6: Final answer
    x = 1,048,006,953.90

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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.