Home / 1,098,805,940.40-1,648,208,910.60-750,127,500.30

Finding the Fourth Proportional to 1,098,805,940.40, 1,648,208,910.60 and 750,127,500.30

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Solution

The fourth proportional to 1,098,805,940.40, 1,648,208,910.60 and 750,127,500.30 is: 1,125,191,250.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,805,940.40 : 1,648,208,910.60 = 750,127,500.30 : x
  2. Step 2: Convert to fraction form
    1,098,805,940.40/1,648,208,910.60 = 750,127,500.30/x
  3. Step 3: Cross multiply
    1,098,805,940.40x = 1,648,208,910.60 × 750,127,500.30
  4. Step 4: Simplify right side
    1,098,805,940.40x = 1,236,366,830,080,563,968
  5. Step 5: Solve for x
    x = 1,236,366,830,080,563,968/1,098,805,940.40
  6. Step 6: Final answer
    x = 1,125,191,250.45

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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.