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Finding the Fourth Proportional to 574,492,216.80, 862,279,534.80 and 302,058,501.60

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Solution

The fourth proportional to 574,492,216.80, 862,279,534.80 and 302,058,501.60 is: 453,372,311.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,492,216.80 : 862,279,534.80 = 302,058,501.60 : x
  2. Step 2: Convert to fraction form
    574,492,216.80/862,279,534.80 = 302,058,501.60/x
  3. Step 3: Cross multiply
    574,492,216.80x = 862,279,534.80 × 302,058,501.60
  4. Step 4: Simplify right side
    574,492,216.80x = 260,458,864,242,033,056
  5. Step 5: Solve for x
    x = 260,458,864,242,033,056/574,492,216.80
  6. Step 6: Final answer
    x = 453,372,311.45

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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.