Home / 822,665,199.29-1,234,091,437.97-298,281,251.39

Finding the Fourth Proportional to 822,665,199.29, 1,234,091,437.97 and 298,281,251.39

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Solution

The fourth proportional to 822,665,199.29, 1,234,091,437.97 and 298,281,251.39 is: 447,455,828.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,665,199.29 : 1,234,091,437.97 = 298,281,251.39 : x
  2. Step 2: Convert to fraction form
    822,665,199.29/1,234,091,437.97 = 298,281,251.39/x
  3. Step 3: Cross multiply
    822,665,199.29x = 1,234,091,437.97 × 298,281,251.39
  4. Step 4: Simplify right side
    822,665,199.29x = 368,106,338,439,714,240
  5. Step 5: Solve for x
    x = 368,106,338,439,714,240/822,665,199.29
  6. Step 6: Final answer
    x = 447,455,828.64

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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.