Home / 455,867,642.21-683,633,957.20-156,651,713.51

Finding the Fourth Proportional to 455,867,642.21, 683,633,957.20 and 156,651,713.51

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Solution

The fourth proportional to 455,867,642.21, 683,633,957.20 and 156,651,713.51 is: 234,920,009.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,867,642.21 : 683,633,957.20 = 156,651,713.51 : x
  2. Step 2: Convert to fraction form
    455,867,642.21/683,633,957.20 = 156,651,713.51/x
  3. Step 3: Cross multiply
    455,867,642.21x = 683,633,957.20 × 156,651,713.51
  4. Step 4: Simplify right side
    455,867,642.21x = 107,092,430,805,192,192
  5. Step 5: Solve for x
    x = 107,092,430,805,192,192/455,867,642.21
  6. Step 6: Final answer
    x = 234,920,009.43

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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.