Home / 562,470,890.93-776,216,037.89-311,579,125.73

Finding the Fourth Proportional to 562,470,890.93, 776,216,037.89 and 311,579,125.73

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Solution

The fourth proportional to 562,470,890.93, 776,216,037.89 and 311,579,125.73 is: 429,982,632.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,470,890.93 : 776,216,037.89 = 311,579,125.73 : x
  2. Step 2: Convert to fraction form
    562,470,890.93/776,216,037.89 = 311,579,125.73/x
  3. Step 3: Cross multiply
    562,470,890.93x = 776,216,037.89 × 311,579,125.73
  4. Step 4: Simplify right side
    562,470,890.93x = 241,852,714,461,812,864
  5. Step 5: Solve for x
    x = 241,852,714,461,812,864/562,470,890.93
  6. Step 6: Final answer
    x = 429,982,632.63

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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.