Home / 1,259,598,749.40-1,888,012,440.90-441,289,834.20

Finding the Fourth Proportional to 1,259,598,749.40, 1,888,012,440.90 and 441,289,834.20

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Solution

The fourth proportional to 1,259,598,749.40, 1,888,012,440.90 and 441,289,834.20 is: 661,449,288.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,598,749.40 : 1,888,012,440.90 = 441,289,834.20 : x
  2. Step 2: Convert to fraction form
    1,259,598,749.40/1,888,012,440.90 = 441,289,834.20/x
  3. Step 3: Cross multiply
    1,259,598,749.40x = 1,888,012,440.90 × 441,289,834.20
  4. Step 4: Simplify right side
    1,259,598,749.40x = 833,160,697,012,298,368
  5. Step 5: Solve for x
    x = 833,160,697,012,298,368/1,259,598,749.40
  6. Step 6: Final answer
    x = 661,449,288.84

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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.