Home / 481,004,060.70-721,506,091.05-412,129,307.10

Finding the Fourth Proportional to 481,004,060.70, 721,506,091.05 and 412,129,307.10

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Solution

The fourth proportional to 481,004,060.70, 721,506,091.05 and 412,129,307.10 is: 618,193,960.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,004,060.70 : 721,506,091.05 = 412,129,307.10 : x
  2. Step 2: Convert to fraction form
    481,004,060.70/721,506,091.05 = 412,129,307.10/x
  3. Step 3: Cross multiply
    481,004,060.70x = 721,506,091.05 × 412,129,307.10
  4. Step 4: Simplify right side
    481,004,060.70x = 297,353,805,372,865,984
  5. Step 5: Solve for x
    x = 297,353,805,372,865,984/481,004,060.70
  6. Step 6: Final answer
    x = 618,193,960.65

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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.