Home / 499,213,420.79-747,363,064.26-291,314,751.35

Finding the Fourth Proportional to 499,213,420.79, 747,363,064.26 and 291,314,751.35

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Solution

The fourth proportional to 499,213,420.79, 747,363,064.26 and 291,314,751.35 is: 436,121,859.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,213,420.79 : 747,363,064.26 = 291,314,751.35 : x
  2. Step 2: Convert to fraction form
    499,213,420.79/747,363,064.26 = 291,314,751.35/x
  3. Step 3: Cross multiply
    499,213,420.79x = 747,363,064.26 × 291,314,751.35
  4. Step 4: Simplify right side
    499,213,420.79x = 217,717,885,233,076,000
  5. Step 5: Solve for x
    x = 217,717,885,233,076,000/499,213,420.79
  6. Step 6: Final answer
    x = 436,121,859.24

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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.