Home / 1,374,395,684.63-1,896,650,101.55-747,853,317.68

Finding the Fourth Proportional to 1,374,395,684.63, 1,896,650,101.55 and 747,853,317.68

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Solution

The fourth proportional to 1,374,395,684.63, 1,896,650,101.55 and 747,853,317.68 is: 1,032,028,903.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,374,395,684.63 : 1,896,650,101.55 = 747,853,317.68 : x
  2. Step 2: Convert to fraction form
    1,374,395,684.63/1,896,650,101.55 = 747,853,317.68/x
  3. Step 3: Cross multiply
    1,374,395,684.63x = 1,896,650,101.55 × 747,853,317.68
  4. Step 4: Simplify right side
    1,374,395,684.63x = 1,418,416,070,914,737,408
  5. Step 5: Solve for x
    x = 1,418,416,070,914,737,408/1,374,395,684.63
  6. Step 6: Final answer
    x = 1,032,028,903.16

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Double scale
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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.