Home / 898,323,221.40-1,347,484,832.10-766,809,288.60

Finding the Fourth Proportional to 898,323,221.40, 1,347,484,832.10 and 766,809,288.60

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Solution

The fourth proportional to 898,323,221.40, 1,347,484,832.10 and 766,809,288.60 is: 1,150,213,932.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,323,221.40 : 1,347,484,832.10 = 766,809,288.60 : x
  2. Step 2: Convert to fraction form
    898,323,221.40/1,347,484,832.10 = 766,809,288.60/x
  3. Step 3: Cross multiply
    898,323,221.40x = 1,347,484,832.10 × 766,809,288.60
  4. Step 4: Simplify right side
    898,323,221.40x = 1,033,263,885,501,891,456
  5. Step 5: Solve for x
    x = 1,033,263,885,501,891,456/898,323,221.40
  6. Step 6: Final answer
    x = 1,150,213,932.90

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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.