Home / 479,696,510.10-661,983,296.58-259,679,936.10

Finding the Fourth Proportional to 479,696,510.10, 661,983,296.58 and 259,679,936.10

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Solution

The fourth proportional to 479,696,510.10, 661,983,296.58 and 259,679,936.10 is: 358,359,455.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,696,510.10 : 661,983,296.58 = 259,679,936.10 : x
  2. Step 2: Convert to fraction form
    479,696,510.10/661,983,296.58 = 259,679,936.10/x
  3. Step 3: Cross multiply
    479,696,510.10x = 661,983,296.58 × 259,679,936.10
  4. Step 4: Simplify right side
    479,696,510.10x = 171,903,780,155,161,760
  5. Step 5: Solve for x
    x = 171,903,780,155,161,760/479,696,510.10
  6. Step 6: Final answer
    x = 358,359,455.48

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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.