Home / 992,209,353.20-1,488,314,029.31-370,473,139.52

Finding the Fourth Proportional to 992,209,353.20, 1,488,314,029.31 and 370,473,139.52

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Solution

The fourth proportional to 992,209,353.20, 1,488,314,029.31 and 370,473,139.52 is: 555,709,709.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,209,353.20 : 1,488,314,029.31 = 370,473,139.52 : x
  2. Step 2: Convert to fraction form
    992,209,353.20/1,488,314,029.31 = 370,473,139.52/x
  3. Step 3: Cross multiply
    992,209,353.20x = 1,488,314,029.31 × 370,473,139.52
  4. Step 4: Simplify right side
    992,209,353.20x = 551,380,371,020,843,072
  5. Step 5: Solve for x
    x = 551,380,371,020,843,072/992,209,353.20
  6. Step 6: Final answer
    x = 555,709,709.09

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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.