Home / 470,867,435.77-649,912,387.37-364,811,076.91

Finding the Fourth Proportional to 470,867,435.77, 649,912,387.37 and 364,811,076.91

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Solution

The fourth proportional to 470,867,435.77, 649,912,387.37 and 364,811,076.91 is: 503,528,636.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,867,435.77 : 649,912,387.37 = 364,811,076.91 : x
  2. Step 2: Convert to fraction form
    470,867,435.77/649,912,387.37 = 364,811,076.91/x
  3. Step 3: Cross multiply
    470,867,435.77x = 649,912,387.37 × 364,811,076.91
  4. Step 4: Simplify right side
    470,867,435.77x = 237,095,237,930,981,984
  5. Step 5: Solve for x
    x = 237,095,237,930,981,984/470,867,435.77
  6. Step 6: Final answer
    x = 503,528,636.55

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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.