Home / 658,030,432.76-908,179,460.14-416,648,843.96

Finding the Fourth Proportional to 658,030,432.76, 908,179,460.14 and 416,648,843.96

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Solution

The fourth proportional to 658,030,432.76, 908,179,460.14 and 416,648,843.96 is: 575,037,115.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,030,432.76 : 908,179,460.14 = 416,648,843.96 : x
  2. Step 2: Convert to fraction form
    658,030,432.76/908,179,460.14 = 416,648,843.96/x
  3. Step 3: Cross multiply
    658,030,432.76x = 908,179,460.14 × 416,648,843.96
  4. Step 4: Simplify right side
    658,030,432.76x = 378,391,922,175,547,904
  5. Step 5: Solve for x
    x = 378,391,922,175,547,904/658,030,432.76
  6. Step 6: Final answer
    x = 575,037,115.82

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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.