Home / 455,158,905.32-628,121,204.30-246,315,058.22

Finding the Fourth Proportional to 455,158,905.32, 628,121,204.30 and 246,315,058.22

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Solution

The fourth proportional to 455,158,905.32, 628,121,204.30 and 246,315,058.22 is: 339,915,816.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,158,905.32 : 628,121,204.30 = 246,315,058.22 : x
  2. Step 2: Convert to fraction form
    455,158,905.32/628,121,204.30 = 246,315,058.22/x
  3. Step 3: Cross multiply
    455,158,905.32x = 628,121,204.30 × 246,315,058.22
  4. Step 4: Simplify right side
    455,158,905.32x = 154,715,711,006,371,008
  5. Step 5: Solve for x
    x = 154,715,711,006,371,008/455,158,905.32
  6. Step 6: Final answer
    x = 339,915,816.65

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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.