Home / 852,529,472.20-1,278,794,208.30-577,030,457.80

Finding the Fourth Proportional to 852,529,472.20, 1,278,794,208.30 and 577,030,457.80

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Solution

The fourth proportional to 852,529,472.20, 1,278,794,208.30 and 577,030,457.80 is: 865,545,686.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,529,472.20 : 1,278,794,208.30 = 577,030,457.80 : x
  2. Step 2: Convert to fraction form
    852,529,472.20/1,278,794,208.30 = 577,030,457.80/x
  3. Step 3: Cross multiply
    852,529,472.20x = 1,278,794,208.30 × 577,030,457.80
  4. Step 4: Simplify right side
    852,529,472.20x = 737,903,207,447,337,472
  5. Step 5: Solve for x
    x = 737,903,207,447,337,472/852,529,472.20
  6. Step 6: Final answer
    x = 865,545,686.70

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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.