Home / 517,666,789.06-714,397,795.89-306,154,931.81

Finding the Fourth Proportional to 517,666,789.06, 714,397,795.89 and 306,154,931.81

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Solution

The fourth proportional to 517,666,789.06, 714,397,795.89 and 306,154,931.81 is: 422,504,230.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,666,789.06 : 714,397,795.89 = 306,154,931.81 : x
  2. Step 2: Convert to fraction form
    517,666,789.06/714,397,795.89 = 306,154,931.81/x
  3. Step 3: Cross multiply
    517,666,789.06x = 714,397,795.89 × 306,154,931.81
  4. Step 4: Simplify right side
    517,666,789.06x = 218,716,408,481,197,184
  5. Step 5: Solve for x
    x = 218,716,408,481,197,184/517,666,789.06
  6. Step 6: Final answer
    x = 422,504,230.72

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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.