Home / 520,826,803.42-719,337,501.24-343,005,590.96

Finding the Fourth Proportional to 520,826,803.42, 719,337,501.24 and 343,005,590.96

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Solution

The fourth proportional to 520,826,803.42, 719,337,501.24 and 343,005,590.96 is: 473,740,566.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,826,803.42 : 719,337,501.24 = 343,005,590.96 : x
  2. Step 2: Convert to fraction form
    520,826,803.42/719,337,501.24 = 343,005,590.96/x
  3. Step 3: Cross multiply
    520,826,803.42x = 719,337,501.24 × 343,005,590.96
  4. Step 4: Simplify right side
    520,826,803.42x = 246,736,784,712,515,936
  5. Step 5: Solve for x
    x = 246,736,784,712,515,936/520,826,803.42
  6. Step 6: Final answer
    x = 473,740,566.14

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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.