Home / 1,259,598,043.40-1,888,011,381.90-441,289,128.20

Finding the Fourth Proportional to 1,259,598,043.40, 1,888,011,381.90 and 441,289,128.20

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Solution

The fourth proportional to 1,259,598,043.40, 1,888,011,381.90 and 441,289,128.20 is: 661,448,230.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,598,043.40 : 1,888,011,381.90 = 441,289,128.20 : x
  2. Step 2: Convert to fraction form
    1,259,598,043.40/1,888,011,381.90 = 441,289,128.20/x
  3. Step 3: Cross multiply
    1,259,598,043.40x = 1,888,011,381.90 × 441,289,128.20
  4. Step 4: Simplify right side
    1,259,598,043.40x = 833,158,896,750,328,320
  5. Step 5: Solve for x
    x = 833,158,896,750,328,320/1,259,598,043.40
  6. Step 6: Final answer
    x = 661,448,230.34

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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.