Home / 354,426,077.66-489,115,816.74-195,655,824.57

Finding the Fourth Proportional to 354,426,077.66, 489,115,816.74 and 195,655,824.57

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Solution

The fourth proportional to 354,426,077.66, 489,115,816.74 and 195,655,824.57 is: 270,009,360.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,426,077.66 : 489,115,816.74 = 195,655,824.57 : x
  2. Step 2: Convert to fraction form
    354,426,077.66/489,115,816.74 = 195,655,824.57/x
  3. Step 3: Cross multiply
    354,426,077.66x = 489,115,816.74 × 195,655,824.57
  4. Step 4: Simplify right side
    354,426,077.66x = 95,698,358,436,327,888
  5. Step 5: Solve for x
    x = 95,698,358,436,327,888/354,426,077.66
  6. Step 6: Final answer
    x = 270,009,360.12

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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.