Home / 426,006,553.70-639,073,690.95-180,362,713.70

Finding the Fourth Proportional to 426,006,553.70, 639,073,690.95 and 180,362,713.70

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Solution

The fourth proportional to 426,006,553.70, 639,073,690.95 and 180,362,713.70 is: 270,571,107.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,006,553.70 : 639,073,690.95 = 180,362,713.70 : x
  2. Step 2: Convert to fraction form
    426,006,553.70/639,073,690.95 = 180,362,713.70/x
  3. Step 3: Cross multiply
    426,006,553.70x = 639,073,690.95 × 180,362,713.70
  4. Step 4: Simplify right side
    426,006,553.70x = 115,265,065,154,017,136
  5. Step 5: Solve for x
    x = 115,265,065,154,017,136/426,006,553.70
  6. Step 6: Final answer
    x = 270,571,107.77

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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.