Home / 723,963,542.40-1,085,945,313.60-178,705,076.40

Finding the Fourth Proportional to 723,963,542.40, 1,085,945,313.60 and 178,705,076.40

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Solution

The fourth proportional to 723,963,542.40, 1,085,945,313.60 and 178,705,076.40 is: 268,057,614.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,963,542.40 : 1,085,945,313.60 = 178,705,076.40 : x
  2. Step 2: Convert to fraction form
    723,963,542.40/1,085,945,313.60 = 178,705,076.40/x
  3. Step 3: Cross multiply
    723,963,542.40x = 1,085,945,313.60 × 178,705,076.40
  4. Step 4: Simplify right side
    723,963,542.40x = 194,063,940,233,109,952
  5. Step 5: Solve for x
    x = 194,063,940,233,109,952/723,963,542.40
  6. Step 6: Final answer
    x = 268,057,614.60

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Double scale
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1.5x scale

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.