Home / 650,332,971.12-897,460,164.32-352,975,274.58

Finding the Fourth Proportional to 650,332,971.12, 897,460,164.32 and 352,975,274.58

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Solution

The fourth proportional to 650,332,971.12, 897,460,164.32 and 352,975,274.58 is: 487,106,239.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,332,971.12 : 897,460,164.32 = 352,975,274.58 : x
  2. Step 2: Convert to fraction form
    650,332,971.12/897,460,164.32 = 352,975,274.58/x
  3. Step 3: Cross multiply
    650,332,971.12x = 897,460,164.32 × 352,975,274.58
  4. Step 4: Simplify right side
    650,332,971.12x = 316,781,247,925,463,936
  5. Step 5: Solve for x
    x = 316,781,247,925,463,936/650,332,971.12
  6. Step 6: Final answer
    x = 487,106,239.41

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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.