Home / 508,635,161.43-761,931,202.33-231,905,713.51

Finding the Fourth Proportional to 508,635,161.43, 761,931,202.33 and 231,905,713.51

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Solution

The fourth proportional to 508,635,161.43, 761,931,202.33 and 231,905,713.51 is: 347,392,812.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,635,161.43 : 761,931,202.33 = 231,905,713.51 : x
  2. Step 2: Convert to fraction form
    508,635,161.43/761,931,202.33 = 231,905,713.51/x
  3. Step 3: Cross multiply
    508,635,161.43x = 761,931,202.33 × 231,905,713.51
  4. Step 4: Simplify right side
    508,635,161.43x = 176,696,199,121,870,816
  5. Step 5: Solve for x
    x = 176,696,199,121,870,816/508,635,161.43
  6. Step 6: Final answer
    x = 347,392,812.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.