Home / 478,095,947.96-659,754,989.60-266,391,840.20

Finding the Fourth Proportional to 478,095,947.96, 659,754,989.60 and 266,391,840.20

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Solution

The fourth proportional to 478,095,947.96, 659,754,989.60 and 266,391,840.20 is: 367,611,033.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,095,947.96 : 659,754,989.60 = 266,391,840.20 : x
  2. Step 2: Convert to fraction form
    478,095,947.96/659,754,989.60 = 266,391,840.20/x
  3. Step 3: Cross multiply
    478,095,947.96x = 659,754,989.60 × 266,391,840.20
  4. Step 4: Simplify right side
    478,095,947.96x = 175,753,345,756,045,120
  5. Step 5: Solve for x
    x = 175,753,345,756,045,120/478,095,947.96
  6. Step 6: Final answer
    x = 367,611,033.95

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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.