Home / 520,826,802.42-719,337,499.86-343,005,589.96

Finding the Fourth Proportional to 520,826,802.42, 719,337,499.86 and 343,005,589.96

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Solution

The fourth proportional to 520,826,802.42, 719,337,499.86 and 343,005,589.96 is: 473,740,564.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,826,802.42 : 719,337,499.86 = 343,005,589.96 : x
  2. Step 2: Convert to fraction form
    520,826,802.42/719,337,499.86 = 343,005,589.96/x
  3. Step 3: Cross multiply
    520,826,802.42x = 719,337,499.86 × 343,005,589.96
  4. Step 4: Simplify right side
    520,826,802.42x = 246,736,783,519,830,720
  5. Step 5: Solve for x
    x = 246,736,783,519,830,720/520,826,802.42
  6. Step 6: Final answer
    x = 473,740,564.76

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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.