Home / 1,307,431,063.80-1,804,189,659.43-742,841,369.46

Finding the Fourth Proportional to 1,307,431,063.80, 1,804,189,659.43 and 742,841,369.46

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Solution

The fourth proportional to 1,307,431,063.80, 1,804,189,659.43 and 742,841,369.46 is: 1,025,084,040.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,307,431,063.80 : 1,804,189,659.43 = 742,841,369.46 : x
  2. Step 2: Convert to fraction form
    1,307,431,063.80/1,804,189,659.43 = 742,841,369.46/x
  3. Step 3: Cross multiply
    1,307,431,063.80x = 1,804,189,659.43 × 742,841,369.46
  4. Step 4: Simplify right side
    1,307,431,063.80x = 1,340,226,717,376,552,448
  5. Step 5: Solve for x
    x = 1,340,226,717,376,552,448/1,307,431,063.80
  6. Step 6: Final answer
    x = 1,025,084,040.36

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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.