Home / 629,465,955,407.85-868,663,011,736.83-340,434,214,795.92

Finding the Fourth Proportional to 629,465,955,407.85, 868,663,011,736.83 and 340,434,214,795.92

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Solution

The fourth proportional to 629,465,955,407.85, 868,663,011,736.83 and 340,434,214,795.92 is: 469,799,212,780.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,465,955,407.85 : 868,663,011,736.83 = 340,434,214,795.92 : x
  2. Step 2: Convert to fraction form
    629,465,955,407.85/868,663,011,736.83 = 340,434,214,795.92/x
  3. Step 3: Cross multiply
    629,465,955,407.85x = 868,663,011,736.83 × 340,434,214,795.92
  4. Step 4: Simplify right side
    629,465,955,407.85x = 295,722,610,322,886,725,992,448
  5. Step 5: Solve for x
    x = 295,722,610,322,886,725,992,448/629,465,955,407.85
  6. Step 6: Final answer
    x = 469,799,212,780.74

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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.