Home / 681,289,263.36-1,022,018,883.48-266,712,532.92

Finding the Fourth Proportional to 681,289,263.36, 1,022,018,883.48 and 266,712,532.92

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Solution

The fourth proportional to 681,289,263.36, 1,022,018,883.48 and 266,712,532.92 is: 400,102,070.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,289,263.36 : 1,022,018,883.48 = 266,712,532.92 : x
  2. Step 2: Convert to fraction form
    681,289,263.36/1,022,018,883.48 = 266,712,532.92/x
  3. Step 3: Cross multiply
    681,289,263.36x = 1,022,018,883.48 × 266,712,532.92
  4. Step 4: Simplify right side
    681,289,263.36x = 272,585,245,105,021,120
  5. Step 5: Solve for x
    x = 272,585,245,105,021,120/681,289,263.36
  6. Step 6: Final answer
    x = 400,102,070.83

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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.