Home / 472,333,009.36-708,474,319.80-127,281,096.40

Finding the Fourth Proportional to 472,333,009.36, 708,474,319.80 and 127,281,096.40

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Solution

The fourth proportional to 472,333,009.36, 708,474,319.80 and 127,281,096.40 is: 190,914,855.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,333,009.36 : 708,474,319.80 = 127,281,096.40 : x
  2. Step 2: Convert to fraction form
    472,333,009.36/708,474,319.80 = 127,281,096.40/x
  3. Step 3: Cross multiply
    472,333,009.36x = 708,474,319.80 × 127,281,096.40
  4. Step 4: Simplify right side
    472,333,009.36x = 90,175,388,195,388,224
  5. Step 5: Solve for x
    x = 90,175,388,195,388,224/472,333,009.36
  6. Step 6: Final answer
    x = 190,914,855.43

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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.