Home / 1,078,643,869.88-1,488,104,993.88-626,444,856.48

Finding the Fourth Proportional to 1,078,643,869.88, 1,488,104,993.88 and 626,444,856.48

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Solution

The fourth proportional to 1,078,643,869.88, 1,488,104,993.88 and 626,444,856.48 is: 864,247,918.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,643,869.88 : 1,488,104,993.88 = 626,444,856.48 : x
  2. Step 2: Convert to fraction form
    1,078,643,869.88/1,488,104,993.88 = 626,444,856.48/x
  3. Step 3: Cross multiply
    1,078,643,869.88x = 1,488,104,993.88 × 626,444,856.48
  4. Step 4: Simplify right side
    1,078,643,869.88x = 932,215,719,318,327,936
  5. Step 5: Solve for x
    x = 932,215,719,318,327,936/1,078,643,869.88
  6. Step 6: Final answer
    x = 864,247,918.47

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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.