Home / 1,029,672,002.20-1,544,060,105.70-339,312,501.40

Finding the Fourth Proportional to 1,029,672,002.20, 1,544,060,105.70 and 339,312,501.40

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Solution

The fourth proportional to 1,029,672,002.20, 1,544,060,105.70 and 339,312,501.40 is: 508,821,154.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,029,672,002.20 : 1,544,060,105.70 = 339,312,501.40 : x
  2. Step 2: Convert to fraction form
    1,029,672,002.20/1,544,060,105.70 = 339,312,501.40/x
  3. Step 3: Cross multiply
    1,029,672,002.20x = 1,544,060,105.70 × 339,312,501.40
  4. Step 4: Simplify right side
    1,029,672,002.20x = 523,918,896,777,015,360
  5. Step 5: Solve for x
    x = 523,918,896,777,015,360/1,029,672,002.20
  6. Step 6: Final answer
    x = 508,821,154.37

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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.