Home / 667,453,531.66-921,087,857.73-370,116,720.83

Finding the Fourth Proportional to 667,453,531.66, 921,087,857.73 and 370,116,720.83

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Solution

The fourth proportional to 667,453,531.66, 921,087,857.73 and 370,116,720.83 is: 510,762,174.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,453,531.66 : 921,087,857.73 = 370,116,720.83 : x
  2. Step 2: Convert to fraction form
    667,453,531.66/921,087,857.73 = 370,116,720.83/x
  3. Step 3: Cross multiply
    667,453,531.66x = 921,087,857.73 × 370,116,720.83
  4. Step 4: Simplify right side
    667,453,531.66x = 340,910,017,503,058,944
  5. Step 5: Solve for x
    x = 340,910,017,503,058,944/667,453,531.66
  6. Step 6: Final answer
    x = 510,762,174.94

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1.5x scale

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.