Home / 310,038,575.85-465,057,863.78-307,886,239.80

Finding the Fourth Proportional to 310,038,575.85, 465,057,863.78 and 307,886,239.80

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Solution

The fourth proportional to 310,038,575.85, 465,057,863.78 and 307,886,239.80 is: 461,829,359.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,038,575.85 : 465,057,863.78 = 307,886,239.80 : x
  2. Step 2: Convert to fraction form
    310,038,575.85/465,057,863.78 = 307,886,239.80/x
  3. Step 3: Cross multiply
    310,038,575.85x = 465,057,863.78 × 307,886,239.80
  4. Step 4: Simplify right side
    310,038,575.85x = 143,184,916,967,105,376
  5. Step 5: Solve for x
    x = 143,184,916,967,105,376/310,038,575.85
  6. Step 6: Final answer
    x = 461,829,359.70

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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.