Home / 686,272,620.80-1,029,558,230.40-226,132,486.40

Finding the Fourth Proportional to 686,272,620.80, 1,029,558,230.40 and 226,132,486.40

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Solution

The fourth proportional to 686,272,620.80, 1,029,558,230.40 and 226,132,486.40 is: 339,247,924.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    686,272,620.80 : 1,029,558,230.40 = 226,132,486.40 : x
  2. Step 2: Convert to fraction form
    686,272,620.80/1,029,558,230.40 = 226,132,486.40/x
  3. Step 3: Cross multiply
    686,272,620.80x = 1,029,558,230.40 × 226,132,486.40
  4. Step 4: Simplify right side
    686,272,620.80x = 232,816,562,533,936,064
  5. Step 5: Solve for x
    x = 232,816,562,533,936,064/686,272,620.80
  6. Step 6: Final answer
    x = 339,247,924.92

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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.