Home / 409,326,469.46-564,870,529.20-233,130,860.02

Finding the Fourth Proportional to 409,326,469.46, 564,870,529.20 and 233,130,860.02

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Solution

The fourth proportional to 409,326,469.46, 564,870,529.20 and 233,130,860.02 is: 321,720,587.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,326,469.46 : 564,870,529.20 = 233,130,860.02 : x
  2. Step 2: Convert to fraction form
    409,326,469.46/564,870,529.20 = 233,130,860.02/x
  3. Step 3: Cross multiply
    409,326,469.46x = 564,870,529.20 × 233,130,860.02
  4. Step 4: Simplify right side
    409,326,469.46x = 131,688,752,272,348,544
  5. Step 5: Solve for x
    x = 131,688,752,272,348,544/409,326,469.46
  6. Step 6: Final answer
    x = 321,720,587.59

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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.