Home / 470,247,510.84-648,863,124.24-261,375,254.64

Finding the Fourth Proportional to 470,247,510.84, 648,863,124.24 and 261,375,254.64

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Solution

The fourth proportional to 470,247,510.84, 648,863,124.24 and 261,375,254.64 is: 360,654,252.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,247,510.84 : 648,863,124.24 = 261,375,254.64 : x
  2. Step 2: Convert to fraction form
    470,247,510.84/648,863,124.24 = 261,375,254.64/x
  3. Step 3: Cross multiply
    470,247,510.84x = 648,863,124.24 × 261,375,254.64
  4. Step 4: Simplify right side
    470,247,510.84x = 169,596,764,324,735,936
  5. Step 5: Solve for x
    x = 169,596,764,324,735,936/470,247,510.84
  6. Step 6: Final answer
    x = 360,654,252.10

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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.