Home / 562,470,936.68-776,216,101.02-311,579,171.48

Finding the Fourth Proportional to 562,470,936.68, 776,216,101.02 and 311,579,171.48

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Solution

The fourth proportional to 562,470,936.68, 776,216,101.02 and 311,579,171.48 is: 429,982,695.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,470,936.68 : 776,216,101.02 = 311,579,171.48 : x
  2. Step 2: Convert to fraction form
    562,470,936.68/776,216,101.02 = 311,579,171.48/x
  3. Step 3: Cross multiply
    562,470,936.68x = 776,216,101.02 × 311,579,171.48
  4. Step 4: Simplify right side
    562,470,936.68x = 241,852,769,645,247,584
  5. Step 5: Solve for x
    x = 241,852,769,645,247,584/562,470,936.68
  6. Step 6: Final answer
    x = 429,982,695.77

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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.