Home / 470,941,948.16-649,899,890.76-262,147,415.48

Finding the Fourth Proportional to 470,941,948.16, 649,899,890.76 and 262,147,415.48

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Solution

The fourth proportional to 470,941,948.16, 649,899,890.76 and 262,147,415.48 is: 361,763,434.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,941,948.16 : 649,899,890.76 = 262,147,415.48 : x
  2. Step 2: Convert to fraction form
    470,941,948.16/649,899,890.76 = 262,147,415.48/x
  3. Step 3: Cross multiply
    470,941,948.16x = 649,899,890.76 × 262,147,415.48
  4. Step 4: Simplify right side
    470,941,948.16x = 170,369,576,683,468,320
  5. Step 5: Solve for x
    x = 170,369,576,683,468,320/470,941,948.16
  6. Step 6: Final answer
    x = 361,763,434.64

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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.