Home / 562,815,207.09-776,685,059.41-311,935,795.79

Finding the Fourth Proportional to 562,815,207.09, 776,685,059.41 and 311,935,795.79

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Solution

The fourth proportional to 562,815,207.09, 776,685,059.41 and 311,935,795.79 is: 430,471,439.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,815,207.09 : 776,685,059.41 = 311,935,795.79 : x
  2. Step 2: Convert to fraction form
    562,815,207.09/776,685,059.41 = 311,935,795.79/x
  3. Step 3: Cross multiply
    562,815,207.09x = 776,685,059.41 × 311,935,795.79
  4. Step 4: Simplify right side
    562,815,207.09x = 242,275,872,086,423,680
  5. Step 5: Solve for x
    x = 242,275,872,086,423,680/562,815,207.09
  6. Step 6: Final answer
    x = 430,471,439.00

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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.