Home / 1,626,854,407.48-2,245,304,490.63-992,143,128.04

Finding the Fourth Proportional to 1,626,854,407.48, 2,245,304,490.63 and 992,143,128.04

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Solution

The fourth proportional to 1,626,854,407.48, 2,245,304,490.63 and 992,143,128.04 is: 1,369,307,179.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,626,854,407.48 : 2,245,304,490.63 = 992,143,128.04 : x
  2. Step 2: Convert to fraction form
    1,626,854,407.48/2,245,304,490.63 = 992,143,128.04/x
  3. Step 3: Cross multiply
    1,626,854,407.48x = 2,245,304,490.63 × 992,143,128.04
  4. Step 4: Simplify right side
    1,626,854,407.48x = 2,227,663,420,735,907,072
  5. Step 5: Solve for x
    x = 2,227,663,420,735,907,072/1,626,854,407.48
  6. Step 6: Final answer
    x = 1,369,307,179.85

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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.