Home / 377,232,861.72-520,492,298.55-317,110,439.28

Finding the Fourth Proportional to 377,232,861.72, 520,492,298.55 and 317,110,439.28

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Solution

The fourth proportional to 377,232,861.72, 520,492,298.55 and 317,110,439.28 is: 437,537,548.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,232,861.72 : 520,492,298.55 = 317,110,439.28 : x
  2. Step 2: Convert to fraction form
    377,232,861.72/520,492,298.55 = 317,110,439.28/x
  3. Step 3: Cross multiply
    377,232,861.72x = 520,492,298.55 × 317,110,439.28
  4. Step 4: Simplify right side
    377,232,861.72x = 165,053,541,432,444,928
  5. Step 5: Solve for x
    x = 165,053,541,432,444,928/377,232,861.72
  6. Step 6: Final answer
    x = 437,537,548.25

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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.