Home / 308,302,878.08-425,418,868-169,036,992.48

Finding the Fourth Proportional to 308,302,878.08, 425,418,868 and 169,036,992.48

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Solution

The fourth proportional to 308,302,878.08, 425,418,868 and 169,036,992.48 is: 233,249,609.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,302,878.08 : 425,418,868 = 169,036,992.48 : x
  2. Step 2: Convert to fraction form
    308,302,878.08/425,418,868 = 169,036,992.48/x
  3. Step 3: Cross multiply
    308,302,878.08x = 425,418,868 × 169,036,992.48
  4. Step 4: Simplify right side
    308,302,878.08x = 71,911,525,990,966,112
  5. Step 5: Solve for x
    x = 71,911,525,990,966,112/308,302,878.08
  6. Step 6: Final answer
    x = 233,249,609.73

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1.5x scale

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.