Home / 756,680,666.70-1,135,021,000.05-464,600,693.10

Finding the Fourth Proportional to 756,680,666.70, 1,135,021,000.05 and 464,600,693.10

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Solution

The fourth proportional to 756,680,666.70, 1,135,021,000.05 and 464,600,693.10 is: 696,901,039.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,680,666.70 : 1,135,021,000.05 = 464,600,693.10 : x
  2. Step 2: Convert to fraction form
    756,680,666.70/1,135,021,000.05 = 464,600,693.10/x
  3. Step 3: Cross multiply
    756,680,666.70x = 1,135,021,000.05 × 464,600,693.10
  4. Step 4: Simplify right side
    756,680,666.70x = 527,331,543,306,285,120
  5. Step 5: Solve for x
    x = 527,331,543,306,285,120/756,680,666.70
  6. Step 6: Final answer
    x = 696,901,039.65

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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.