Home / 354,436,729.46-489,149,729.53-195,697,455.59

Finding the Fourth Proportional to 354,436,729.46, 489,149,729.53 and 195,697,455.59

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Solution

The fourth proportional to 354,436,729.46, 489,149,729.53 and 195,697,455.59 is: 270,077,420.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,436,729.46 : 489,149,729.53 = 195,697,455.59 : x
  2. Step 2: Convert to fraction form
    354,436,729.46/489,149,729.53 = 195,697,455.59/x
  3. Step 3: Cross multiply
    354,436,729.46x = 489,149,729.53 × 195,697,455.59
  4. Step 4: Simplify right side
    354,436,729.46x = 95,725,357,468,622,688
  5. Step 5: Solve for x
    x = 95,725,357,468,622,688/354,436,729.46
  6. Step 6: Final answer
    x = 270,077,420.07

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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.