Home / 508,286,665.54-701,713,924.12-355,757,938.89

Finding the Fourth Proportional to 508,286,665.54, 701,713,924.12 and 355,757,938.89

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Solution

The fourth proportional to 508,286,665.54, 701,713,924.12 and 355,757,938.89 is: 491,140,760.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,286,665.54 : 701,713,924.12 = 355,757,938.89 : x
  2. Step 2: Convert to fraction form
    508,286,665.54/701,713,924.12 = 355,757,938.89/x
  3. Step 3: Cross multiply
    508,286,665.54x = 701,713,924.12 × 355,757,938.89
  4. Step 4: Simplify right side
    508,286,665.54x = 249,640,299,337,070,752
  5. Step 5: Solve for x
    x = 249,640,299,337,070,752/508,286,665.54
  6. Step 6: Final answer
    x = 491,140,760.24

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.