Home / 707,880,378.76-1,061,823,926.80-216,592,864.81

Finding the Fourth Proportional to 707,880,378.76, 1,061,823,926.80 and 216,592,864.81

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Solution

The fourth proportional to 707,880,378.76, 1,061,823,926.80 and 216,592,864.81 is: 324,890,324.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,880,378.76 : 1,061,823,926.80 = 216,592,864.81 : x
  2. Step 2: Convert to fraction form
    707,880,378.76/1,061,823,926.80 = 216,592,864.81/x
  3. Step 3: Cross multiply
    707,880,378.76x = 1,061,823,926.80 × 216,592,864.81
  4. Step 4: Simplify right side
    707,880,378.76x = 229,983,486,229,415,744
  5. Step 5: Solve for x
    x = 229,983,486,229,415,744/707,880,378.76
  6. Step 6: Final answer
    x = 324,890,324.88

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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.