Home / 421,385,402.43-581,507,571.98-233,214,061.66

Finding the Fourth Proportional to 421,385,402.43, 581,507,571.98 and 233,214,061.66

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Solution

The fourth proportional to 421,385,402.43, 581,507,571.98 and 233,214,061.66 is: 321,833,034.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,385,402.43 : 581,507,571.98 = 233,214,061.66 : x
  2. Step 2: Convert to fraction form
    421,385,402.43/581,507,571.98 = 233,214,061.66/x
  3. Step 3: Cross multiply
    421,385,402.43x = 581,507,571.98 × 233,214,061.66
  4. Step 4: Simplify right side
    421,385,402.43x = 135,615,742,746,629,856
  5. Step 5: Solve for x
    x = 135,615,742,746,629,856/421,385,402.43
  6. Step 6: Final answer
    x = 321,833,034.47

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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.