Home / 407,821,072.90-611,731,609.35-367,006,404.10

Finding the Fourth Proportional to 407,821,072.90, 611,731,609.35 and 367,006,404.10

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Solution

The fourth proportional to 407,821,072.90, 611,731,609.35 and 367,006,404.10 is: 550,509,606.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,821,072.90 : 611,731,609.35 = 367,006,404.10 : x
  2. Step 2: Convert to fraction form
    407,821,072.90/611,731,609.35 = 367,006,404.10/x
  3. Step 3: Cross multiply
    407,821,072.90x = 611,731,609.35 × 367,006,404.10
  4. Step 4: Simplify right side
    407,821,072.90x = 224,509,418,221,849,472
  5. Step 5: Solve for x
    x = 224,509,418,221,849,472/407,821,072.90
  6. Step 6: Final answer
    x = 550,509,606.15

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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.