Home / 455,476,041.15-628,557,791.85-254,532,916.92

Finding the Fourth Proportional to 455,476,041.15, 628,557,791.85 and 254,532,916.92

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Solution

The fourth proportional to 455,476,041.15, 628,557,791.85 and 254,532,916.92 is: 351,255,903.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,476,041.15 : 628,557,791.85 = 254,532,916.92 : x
  2. Step 2: Convert to fraction form
    455,476,041.15/628,557,791.85 = 254,532,916.92/x
  3. Step 3: Cross multiply
    455,476,041.15x = 628,557,791.85 × 254,532,916.92
  4. Step 4: Simplify right side
    455,476,041.15x = 159,988,648,212,374,688
  5. Step 5: Solve for x
    x = 159,988,648,212,374,688/455,476,041.15
  6. Step 6: Final answer
    x = 351,255,903.18

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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.