Home / 562,815,210.76-776,685,064.46-311,935,799.46

Finding the Fourth Proportional to 562,815,210.76, 776,685,064.46 and 311,935,799.46

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Solution

The fourth proportional to 562,815,210.76, 776,685,064.46 and 311,935,799.46 is: 430,471,444.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,815,210.76 : 776,685,064.46 = 311,935,799.46 : x
  2. Step 2: Convert to fraction form
    562,815,210.76/776,685,064.46 = 311,935,799.46/x
  3. Step 3: Cross multiply
    562,815,210.76x = 776,685,064.46 × 311,935,799.46
  4. Step 4: Simplify right side
    562,815,210.76x = 242,275,876,510,971,744
  5. Step 5: Solve for x
    x = 242,275,876,510,971,744/562,815,210.76
  6. Step 6: Final answer
    x = 430,471,444.05

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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.