Home / 329,311,957.80-493,967,936.70-86,974,861.80

Finding the Fourth Proportional to 329,311,957.80, 493,967,936.70 and 86,974,861.80

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Solution

The fourth proportional to 329,311,957.80, 493,967,936.70 and 86,974,861.80 is: 130,462,292.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,311,957.80 : 493,967,936.70 = 86,974,861.80 : x
  2. Step 2: Convert to fraction form
    329,311,957.80/493,967,936.70 = 86,974,861.80/x
  3. Step 3: Cross multiply
    329,311,957.80x = 493,967,936.70 × 86,974,861.80
  4. Step 4: Simplify right side
    329,311,957.80x = 42,962,793,028,113,648
  5. Step 5: Solve for x
    x = 42,962,793,028,113,648/329,311,957.80
  6. Step 6: Final answer
    x = 130,462,292.70

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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.