Home / 1,307,431,061.80-1,804,189,656.68-742,841,367.46

Finding the Fourth Proportional to 1,307,431,061.80, 1,804,189,656.68 and 742,841,367.46

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Solution

The fourth proportional to 1,307,431,061.80, 1,804,189,656.68 and 742,841,367.46 is: 1,025,084,037.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,307,431,061.80 : 1,804,189,656.68 = 742,841,367.46 : x
  2. Step 2: Convert to fraction form
    1,307,431,061.80/1,804,189,656.68 = 742,841,367.46/x
  3. Step 3: Cross multiply
    1,307,431,061.80x = 1,804,189,656.68 × 742,841,367.46
  4. Step 4: Simplify right side
    1,307,431,061.80x = 1,340,226,711,721,645,056
  5. Step 5: Solve for x
    x = 1,340,226,711,721,645,056/1,307,431,061.80
  6. Step 6: Final answer
    x = 1,025,084,037.61

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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.