Home / 492,043,627.80-738,073,314.90-128,537,983.80

Finding the Fourth Proportional to 492,043,627.80, 738,073,314.90 and 128,537,983.80

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Solution

The fourth proportional to 492,043,627.80, 738,073,314.90 and 128,537,983.80 is: 192,809,032.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,043,627.80 : 738,073,314.90 = 128,537,983.80 : x
  2. Step 2: Convert to fraction form
    492,043,627.80/738,073,314.90 = 128,537,983.80/x
  3. Step 3: Cross multiply
    492,043,627.80x = 738,073,314.90 × 128,537,983.80
  4. Step 4: Simplify right side
    492,043,627.80x = 94,870,455,793,828,496
  5. Step 5: Solve for x
    x = 94,870,455,793,828,496/492,043,627.80
  6. Step 6: Final answer
    x = 192,809,032.44

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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.