Home / 653,816,189.28-902,272,604.40-360,471,277.92

Finding the Fourth Proportional to 653,816,189.28, 902,272,604.40 and 360,471,277.92

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Solution

The fourth proportional to 653,816,189.28, 902,272,604.40 and 360,471,277.92 is: 497,453,816.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,816,189.28 : 902,272,604.40 = 360,471,277.92 : x
  2. Step 2: Convert to fraction form
    653,816,189.28/902,272,604.40 = 360,471,277.92/x
  3. Step 3: Cross multiply
    653,816,189.28x = 902,272,604.40 × 360,471,277.92
  4. Step 4: Simplify right side
    653,816,189.28x = 325,243,358,740,274,624
  5. Step 5: Solve for x
    x = 325,243,358,740,274,624/653,816,189.28
  6. Step 6: Final answer
    x = 497,453,816.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.