Home / 1,158,970,866.40-1,738,456,299.60-698,672,101.60

Finding the Fourth Proportional to 1,158,970,866.40, 1,738,456,299.60 and 698,672,101.60

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Solution

The fourth proportional to 1,158,970,866.40, 1,738,456,299.60 and 698,672,101.60 is: 1,048,008,152.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,158,970,866.40 : 1,738,456,299.60 = 698,672,101.60 : x
  2. Step 2: Convert to fraction form
    1,158,970,866.40/1,738,456,299.60 = 698,672,101.60/x
  3. Step 3: Cross multiply
    1,158,970,866.40x = 1,738,456,299.60 × 698,672,101.60
  4. Step 4: Simplify right side
    1,158,970,866.40x = 1,214,610,916,381,291,264
  5. Step 5: Solve for x
    x = 1,214,610,916,381,291,264/1,158,970,866.40
  6. Step 6: Final answer
    x = 1,048,008,152.40

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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.