Home / 766,296,065.80-1,149,444,098.70-221,055,387.40

Finding the Fourth Proportional to 766,296,065.80, 1,149,444,098.70 and 221,055,387.40

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Solution

The fourth proportional to 766,296,065.80, 1,149,444,098.70 and 221,055,387.40 is: 331,583,081.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,296,065.80 : 1,149,444,098.70 = 221,055,387.40 : x
  2. Step 2: Convert to fraction form
    766,296,065.80/1,149,444,098.70 = 221,055,387.40/x
  3. Step 3: Cross multiply
    766,296,065.80x = 1,149,444,098.70 × 221,055,387.40
  4. Step 4: Simplify right side
    766,296,065.80x = 254,090,810,532,772,352
  5. Step 5: Solve for x
    x = 254,090,810,532,772,352/766,296,065.80
  6. Step 6: Final answer
    x = 331,583,081.10

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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.