Home / 377,232,862.72-520,492,299.93-317,110,440.28

Finding the Fourth Proportional to 377,232,862.72, 520,492,299.93 and 317,110,440.28

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Solution

The fourth proportional to 377,232,862.72, 520,492,299.93 and 317,110,440.28 is: 437,537,549.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,232,862.72 : 520,492,299.93 = 317,110,440.28 : x
  2. Step 2: Convert to fraction form
    377,232,862.72/520,492,299.93 = 317,110,440.28/x
  3. Step 3: Cross multiply
    377,232,862.72x = 520,492,299.93 × 317,110,440.28
  4. Step 4: Simplify right side
    377,232,862.72x = 165,053,542,393,152,096
  5. Step 5: Solve for x
    x = 165,053,542,393,152,096/377,232,862.72
  6. Step 6: Final answer
    x = 437,537,549.63

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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.