Home / 285,338,805,094.89-393,744,262,049.68-167,997,927,682.53

Finding the Fourth Proportional to 285,338,805,094.89, 393,744,262,049.68 and 167,997,927,682.53

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Solution

The fourth proportional to 285,338,805,094.89, 393,744,262,049.68 and 167,997,927,682.53 is: 231,823,428,430.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,338,805,094.89 : 393,744,262,049.68 = 167,997,927,682.53 : x
  2. Step 2: Convert to fraction form
    285,338,805,094.89/393,744,262,049.68 = 167,997,927,682.53/x
  3. Step 3: Cross multiply
    285,338,805,094.89x = 393,744,262,049.68 × 167,997,927,682.53
  4. Step 4: Simplify right side
    285,338,805,094.89x = 66,148,220,061,233,279,139,840
  5. Step 5: Solve for x
    x = 66,148,220,061,233,279,139,840/285,338,805,094.89
  6. Step 6: Final answer
    x = 231,823,428,430.06

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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.