Home / 275,789,780-380,592,521.52-152,034,895.52

Finding the Fourth Proportional to 275,789,780, 380,592,521.52 and 152,034,895.52

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Solution

The fourth proportional to 275,789,780, 380,592,521.52 and 152,034,895.52 is: 209,809,602.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,789,780 : 380,592,521.52 = 152,034,895.52 : x
  2. Step 2: Convert to fraction form
    275,789,780/380,592,521.52 = 152,034,895.52/x
  3. Step 3: Cross multiply
    275,789,780x = 380,592,521.52 × 152,034,895.52
  4. Step 4: Simplify right side
    275,789,780x = 57,863,344,244,986,552
  5. Step 5: Solve for x
    x = 57,863,344,244,986,552/275,789,780
  6. Step 6: Final answer
    x = 209,809,602.97

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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.