Home / 288,872,983,350.90-432,932,534,563.86-161,382,525,398.78

Finding the Fourth Proportional to 288,872,983,350.90, 432,932,534,563.86 and 161,382,525,398.78

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Solution

The fourth proportional to 288,872,983,350.90, 432,932,534,563.86 and 161,382,525,398.78 is: 241,863,205,567.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,872,983,350.90 : 432,932,534,563.86 = 161,382,525,398.78 : x
  2. Step 2: Convert to fraction form
    288,872,983,350.90/432,932,534,563.86 = 161,382,525,398.78/x
  3. Step 3: Cross multiply
    288,872,983,350.90x = 432,932,534,563.86 × 161,382,525,398.78
  4. Step 4: Simplify right side
    288,872,983,350.90x = 69,867,745,755,210,331,455,488
  5. Step 5: Solve for x
    x = 69,867,745,755,210,331,455,488/288,872,983,350.90
  6. Step 6: Final answer
    x = 241,863,205,567.90

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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.