Home / 508,286,667.05-701,713,926.19-355,757,940.40

Finding the Fourth Proportional to 508,286,667.05, 701,713,926.19 and 355,757,940.40

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Solution

The fourth proportional to 508,286,667.05, 701,713,926.19 and 355,757,940.40 is: 491,140,762.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,286,667.05 : 701,713,926.19 = 355,757,940.40 : x
  2. Step 2: Convert to fraction form
    508,286,667.05/701,713,926.19 = 355,757,940.40/x
  3. Step 3: Cross multiply
    508,286,667.05x = 701,713,926.19 × 355,757,940.40
  4. Step 4: Simplify right side
    508,286,667.05x = 249,640,301,131,352,032
  5. Step 5: Solve for x
    x = 249,640,301,131,352,032/508,286,667.05
  6. Step 6: Final answer
    x = 491,140,762.32

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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.