Home / 435,023,999.10-652,535,998.65-263,031,320.70

Finding the Fourth Proportional to 435,023,999.10, 652,535,998.65 and 263,031,320.70

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Solution

The fourth proportional to 435,023,999.10, 652,535,998.65 and 263,031,320.70 is: 394,546,981.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,023,999.10 : 652,535,998.65 = 263,031,320.70 : x
  2. Step 2: Convert to fraction form
    435,023,999.10/652,535,998.65 = 263,031,320.70/x
  3. Step 3: Cross multiply
    435,023,999.10x = 652,535,998.65 × 263,031,320.70
  4. Step 4: Simplify right side
    435,023,999.10x = 171,637,405,529,202,912
  5. Step 5: Solve for x
    x = 171,637,405,529,202,912/435,023,999.10
  6. Step 6: Final answer
    x = 394,546,981.05

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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.