Home / 409,859,934.59-614,789,424.36-133,510,703.01

Finding the Fourth Proportional to 409,859,934.59, 614,789,424.36 and 133,510,703.01

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Solution

The fourth proportional to 409,859,934.59, 614,789,424.36 and 133,510,703.01 is: 200,265,898.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,859,934.59 : 614,789,424.36 = 133,510,703.01 : x
  2. Step 2: Convert to fraction form
    409,859,934.59/614,789,424.36 = 133,510,703.01/x
  3. Step 3: Cross multiply
    409,859,934.59x = 614,789,424.36 × 133,510,703.01
  4. Step 4: Simplify right side
    409,859,934.59x = 82,080,968,249,416,832
  5. Step 5: Solve for x
    x = 82,080,968,249,416,832/409,859,934.59
  6. Step 6: Final answer
    x = 200,265,898.97

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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.