Home / 314,928,386.40-472,392,579.60-177,178,879.20

Finding the Fourth Proportional to 314,928,386.40, 472,392,579.60 and 177,178,879.20

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Solution

The fourth proportional to 314,928,386.40, 472,392,579.60 and 177,178,879.20 is: 265,768,318.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,928,386.40 : 472,392,579.60 = 177,178,879.20 : x
  2. Step 2: Convert to fraction form
    314,928,386.40/472,392,579.60 = 177,178,879.20/x
  3. Step 3: Cross multiply
    314,928,386.40x = 472,392,579.60 × 177,178,879.20
  4. Step 4: Simplify right side
    314,928,386.40x = 83,697,987,795,924,784
  5. Step 5: Solve for x
    x = 83,697,987,795,924,784/314,928,386.40
  6. Step 6: Final answer
    x = 265,768,318.80

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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.