Home / 517,047,469,705.14-774,898,481,666.40-210,379,861,084.02

Finding the Fourth Proportional to 517,047,469,705.14, 774,898,481,666.40 and 210,379,861,084.02

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Solution

The fourth proportional to 517,047,469,705.14, 774,898,481,666.40 and 210,379,861,084.02 is: 315,296,069,469.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,047,469,705.14 : 774,898,481,666.40 = 210,379,861,084.02 : x
  2. Step 2: Convert to fraction form
    517,047,469,705.14/774,898,481,666.40 = 210,379,861,084.02/x
  3. Step 3: Cross multiply
    517,047,469,705.14x = 774,898,481,666.40 × 210,379,861,084.02
  4. Step 4: Simplify right side
    517,047,469,705.14x = 163,023,034,927,195,254,423,552
  5. Step 5: Solve for x
    x = 163,023,034,927,195,254,423,552/517,047,469,705.14
  6. Step 6: Final answer
    x = 315,296,069,469.53

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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.