Home / 314,908,426.60-472,362,639.90-178,859,530.60

Finding the Fourth Proportional to 314,908,426.60, 472,362,639.90 and 178,859,530.60

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Solution

The fourth proportional to 314,908,426.60, 472,362,639.90 and 178,859,530.60 is: 268,289,295.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,908,426.60 : 472,362,639.90 = 178,859,530.60 : x
  2. Step 2: Convert to fraction form
    314,908,426.60/472,362,639.90 = 178,859,530.60/x
  3. Step 3: Cross multiply
    314,908,426.60x = 472,362,639.90 × 178,859,530.60
  4. Step 4: Simplify right side
    314,908,426.60x = 84,486,560,045,490,816
  5. Step 5: Solve for x
    x = 84,486,560,045,490,816/314,908,426.60
  6. Step 6: Final answer
    x = 268,289,295.90

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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.