Home / 690,835,800.48-1,036,719,963.27-270,605,047.65

Finding the Fourth Proportional to 690,835,800.48, 1,036,719,963.27 and 270,605,047.65

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Solution

The fourth proportional to 690,835,800.48, 1,036,719,963.27 and 270,605,047.65 is: 406,090,209.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,835,800.48 : 1,036,719,963.27 = 270,605,047.65 : x
  2. Step 2: Convert to fraction form
    690,835,800.48/1,036,719,963.27 = 270,605,047.65/x
  3. Step 3: Cross multiply
    690,835,800.48x = 1,036,719,963.27 × 270,605,047.65
  4. Step 4: Simplify right side
    690,835,800.48x = 280,541,655,060,384,576
  5. Step 5: Solve for x
    x = 280,541,655,060,384,576/690,835,800.48
  6. Step 6: Final answer
    x = 406,090,209.66

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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.