Home / 1,007,930,044.80-1,390,943,145.60-544,356,028.80

Finding the Fourth Proportional to 1,007,930,044.80, 1,390,943,145.60 and 544,356,028.80

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Solution

The fourth proportional to 1,007,930,044.80, 1,390,943,145.60 and 544,356,028.80 is: 751,211,148.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,930,044.80 : 1,390,943,145.60 = 544,356,028.80 : x
  2. Step 2: Convert to fraction form
    1,007,930,044.80/1,390,943,145.60 = 544,356,028.80/x
  3. Step 3: Cross multiply
    1,007,930,044.80x = 1,390,943,145.60 × 544,356,028.80
  4. Step 4: Simplify right side
    1,007,930,044.80x = 757,168,287,025,396,096
  5. Step 5: Solve for x
    x = 757,168,287,025,396,096/1,007,930,044.80
  6. Step 6: Final answer
    x = 751,211,148.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.