Home / 520,345,944.32-780,564,794.90-146,857,157.24

Finding the Fourth Proportional to 520,345,944.32, 780,564,794.90 and 146,857,157.24

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Solution

The fourth proportional to 520,345,944.32, 780,564,794.90 and 146,857,157.24 is: 220,298,684.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,345,944.32 : 780,564,794.90 = 146,857,157.24 : x
  2. Step 2: Convert to fraction form
    520,345,944.32/780,564,794.90 = 146,857,157.24/x
  3. Step 3: Cross multiply
    520,345,944.32x = 780,564,794.90 × 146,857,157.24
  4. Step 4: Simplify right side
    520,345,944.32x = 114,631,526,820,637,648
  5. Step 5: Solve for x
    x = 114,631,526,820,637,648/520,345,944.32
  6. Step 6: Final answer
    x = 220,298,684.12

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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.