Home / 488,458,716.90-732,831,841.56-177,561,432.40

Finding the Fourth Proportional to 488,458,716.90, 732,831,841.56 and 177,561,432.40

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Solution

The fourth proportional to 488,458,716.90, 732,831,841.56 and 177,561,432.40 is: 266,394,409.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,458,716.90 : 732,831,841.56 = 177,561,432.40 : x
  2. Step 2: Convert to fraction form
    488,458,716.90/732,831,841.56 = 177,561,432.40/x
  3. Step 3: Cross multiply
    488,458,716.90x = 732,831,841.56 × 177,561,432.40
  4. Step 4: Simplify right side
    488,458,716.90x = 130,122,671,495,432,240
  5. Step 5: Solve for x
    x = 130,122,671,495,432,240/488,458,716.90
  6. Step 6: Final answer
    x = 266,394,409.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.