Home / 1,259,598,072.40-1,888,011,425.40-441,289,157.20

Finding the Fourth Proportional to 1,259,598,072.40, 1,888,011,425.40 and 441,289,157.20

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Solution

The fourth proportional to 1,259,598,072.40, 1,888,011,425.40 and 441,289,157.20 is: 661,448,273.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,598,072.40 : 1,888,011,425.40 = 441,289,157.20 : x
  2. Step 2: Convert to fraction form
    1,259,598,072.40/1,888,011,425.40 = 441,289,157.20/x
  3. Step 3: Cross multiply
    1,259,598,072.40x = 1,888,011,425.40 × 441,289,157.20
  4. Step 4: Simplify right side
    1,259,598,072.40x = 833,158,970,698,736,640
  5. Step 5: Solve for x
    x = 833,158,970,698,736,640/1,259,598,072.40
  6. Step 6: Final answer
    x = 661,448,273.82

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1.5x scale

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.