Home / 432,378,253.01-648,433,239.15-155,993,537.76

Finding the Fourth Proportional to 432,378,253.01, 648,433,239.15 and 155,993,537.76

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Solution

The fourth proportional to 432,378,253.01, 648,433,239.15 and 155,993,537.76 is: 233,941,911.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,378,253.01 : 648,433,239.15 = 155,993,537.76 : x
  2. Step 2: Convert to fraction form
    432,378,253.01/648,433,239.15 = 155,993,537.76/x
  3. Step 3: Cross multiply
    432,378,253.01x = 648,433,239.15 × 155,993,537.76
  4. Step 4: Simplify right side
    432,378,253.01x = 101,151,394,976,184,624
  5. Step 5: Solve for x
    x = 101,151,394,976,184,624/432,378,253.01
  6. Step 6: Final answer
    x = 233,941,911.45

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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.