Home / 1,121,782,721.67-1,548,252,386.58-652,156,447.65

Finding the Fourth Proportional to 1,121,782,721.67, 1,548,252,386.58 and 652,156,447.65

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Solution

The fourth proportional to 1,121,782,721.67, 1,548,252,386.58 and 652,156,447.65 is: 900,087,652.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,782,721.67 : 1,548,252,386.58 = 652,156,447.65 : x
  2. Step 2: Convert to fraction form
    1,121,782,721.67/1,548,252,386.58 = 652,156,447.65/x
  3. Step 3: Cross multiply
    1,121,782,721.67x = 1,548,252,386.58 × 652,156,447.65
  4. Step 4: Simplify right side
    1,121,782,721.67x = 1,009,702,776,497,647,232
  5. Step 5: Solve for x
    x = 1,009,702,776,497,647,232/1,121,782,721.67
  6. Step 6: Final answer
    x = 900,087,652.44

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Double scale
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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.