Home / 641,409,949.95-962,478,884.05-346,301,139.90

Finding the Fourth Proportional to 641,409,949.95, 962,478,884.05 and 346,301,139.90

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Solution

The fourth proportional to 641,409,949.95, 962,478,884.05 and 346,301,139.90 is: 519,648,213.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,409,949.95 : 962,478,884.05 = 346,301,139.90 : x
  2. Step 2: Convert to fraction form
    641,409,949.95/962,478,884.05 = 346,301,139.90/x
  3. Step 3: Cross multiply
    641,409,949.95x = 962,478,884.05 × 346,301,139.90
  4. Step 4: Simplify right side
    641,409,949.95x = 333,307,534,680,877,760
  5. Step 5: Solve for x
    x = 333,307,534,680,877,760/641,409,949.95
  6. Step 6: Final answer
    x = 519,648,213.61

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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.