Home / 308,302,370-425,418,167.04-169,036,484.48

Finding the Fourth Proportional to 308,302,370, 425,418,167.04 and 169,036,484.48

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Solution

The fourth proportional to 308,302,370, 425,418,167.04 and 169,036,484.48 is: 233,248,908.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,302,370 : 425,418,167.04 = 169,036,484.48 : x
  2. Step 2: Convert to fraction form
    308,302,370/425,418,167.04 = 169,036,484.48/x
  3. Step 3: Cross multiply
    308,302,370x = 425,418,167.04 × 169,036,484.48
  4. Step 4: Simplify right side
    308,302,370x = 71,911,191,390,367,008
  5. Step 5: Solve for x
    x = 71,911,191,390,367,008/308,302,370
  6. Step 6: Final answer
    x = 233,248,908.82

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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.