Home / 455,158,888.32-628,121,180.88-246,315,041.22

Finding the Fourth Proportional to 455,158,888.32, 628,121,180.88 and 246,315,041.22

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Solution

The fourth proportional to 455,158,888.32, 628,121,180.88 and 246,315,041.22 is: 339,915,793.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,158,888.32 : 628,121,180.88 = 246,315,041.22 : x
  2. Step 2: Convert to fraction form
    455,158,888.32/628,121,180.88 = 246,315,041.22/x
  3. Step 3: Cross multiply
    455,158,888.32x = 628,121,180.88 × 246,315,041.22
  4. Step 4: Simplify right side
    455,158,888.32x = 154,715,694,559,612,288
  5. Step 5: Solve for x
    x = 154,715,694,559,612,288/455,158,888.32
  6. Step 6: Final answer
    x = 339,915,793.21

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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.