Home / 488,698,684.96-674,386,833.36-268,680,508.96

Finding the Fourth Proportional to 488,698,684.96, 674,386,833.36 and 268,680,508.96

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Solution

The fourth proportional to 488,698,684.96, 674,386,833.36 and 268,680,508.96 is: 370,769,562.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,698,684.96 : 674,386,833.36 = 268,680,508.96 : x
  2. Step 2: Convert to fraction form
    488,698,684.96/674,386,833.36 = 268,680,508.96/x
  3. Step 3: Cross multiply
    488,698,684.96x = 674,386,833.36 × 268,680,508.96
  4. Step 4: Simplify right side
    488,698,684.96x = 181,194,597,623,087,488
  5. Step 5: Solve for x
    x = 181,194,597,623,087,488/488,698,684.96
  6. Step 6: Final answer
    x = 370,769,562.51

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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.