Home / 1,731,508,649.75-2,389,417,921.28-938,537,603.55

Finding the Fourth Proportional to 1,731,508,649.75, 2,389,417,921.28 and 938,537,603.55

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Solution

The fourth proportional to 1,731,508,649.75, 2,389,417,921.28 and 938,537,603.55 is: 1,295,147,194.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,731,508,649.75 : 2,389,417,921.28 = 938,537,603.55 : x
  2. Step 2: Convert to fraction form
    1,731,508,649.75/2,389,417,921.28 = 938,537,603.55/x
  3. Step 3: Cross multiply
    1,731,508,649.75x = 2,389,417,921.28 × 938,537,603.55
  4. Step 4: Simplify right side
    1,731,508,649.75x = 2,242,558,569,717,553,920
  5. Step 5: Solve for x
    x = 2,242,558,569,717,553,920/1,731,508,649.75
  6. Step 6: Final answer
    x = 1,295,147,194.35

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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.