Home / 817,689,968.80-1,226,087,055.60-332,467,568.80

Finding the Fourth Proportional to 817,689,968.80, 1,226,087,055.60 and 332,467,568.80

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Solution

The fourth proportional to 817,689,968.80, 1,226,087,055.60 and 332,467,568.80 is: 498,519,240.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,689,968.80 : 1,226,087,055.60 = 332,467,568.80 : x
  2. Step 2: Convert to fraction form
    817,689,968.80/1,226,087,055.60 = 332,467,568.80/x
  3. Step 3: Cross multiply
    817,689,968.80x = 1,226,087,055.60 × 332,467,568.80
  4. Step 4: Simplify right side
    817,689,968.80x = 407,634,182,512,482,432
  5. Step 5: Solve for x
    x = 407,634,182,512,482,432/817,689,968.80
  6. Step 6: Final answer
    x = 498,519,240.87

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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.