Home / 400,729,012,512.10-553,006,393,606.23-217,826,114,156.80

Finding the Fourth Proportional to 400,729,012,512.10, 553,006,393,606.23 and 217,826,114,156.80

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Solution

The fourth proportional to 400,729,012,512.10, 553,006,393,606.23 and 217,826,114,156.80 is: 300,600,231,233.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,729,012,512.10 : 553,006,393,606.23 = 217,826,114,156.80 : x
  2. Step 2: Convert to fraction form
    400,729,012,512.10/553,006,393,606.23 = 217,826,114,156.80/x
  3. Step 3: Cross multiply
    400,729,012,512.10x = 553,006,393,606.23 × 217,826,114,156.80
  4. Step 4: Simplify right side
    400,729,012,512.10x = 120,459,233,823,110,920,667,136
  5. Step 5: Solve for x
    x = 120,459,233,823,110,920,667,136/400,729,012,512.10
  6. Step 6: Final answer
    x = 300,600,231,233.50

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1.5x scale

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.