Home / 312,074,484.84-468,018,306.78-195,666,738.84

Finding the Fourth Proportional to 312,074,484.84, 468,018,306.78 and 195,666,738.84

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Solution

The fourth proportional to 312,074,484.84, 468,018,306.78 and 195,666,738.84 is: 293,441,534.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,074,484.84 : 468,018,306.78 = 195,666,738.84 : x
  2. Step 2: Convert to fraction form
    312,074,484.84/468,018,306.78 = 195,666,738.84/x
  3. Step 3: Cross multiply
    312,074,484.84x = 468,018,306.78 × 195,666,738.84
  4. Step 4: Simplify right side
    312,074,484.84x = 91,575,615,805,061,264
  5. Step 5: Solve for x
    x = 91,575,615,805,061,264/312,074,484.84
  6. Step 6: Final answer
    x = 293,441,534.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.