Home / 314,787,986.70-472,181,980.05-281,626,068.30

Finding the Fourth Proportional to 314,787,986.70, 472,181,980.05 and 281,626,068.30

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Solution

The fourth proportional to 314,787,986.70, 472,181,980.05 and 281,626,068.30 is: 422,439,102.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,787,986.70 : 472,181,980.05 = 281,626,068.30 : x
  2. Step 2: Convert to fraction form
    314,787,986.70/472,181,980.05 = 281,626,068.30/x
  3. Step 3: Cross multiply
    314,787,986.70x = 472,181,980.05 × 281,626,068.30
  4. Step 4: Simplify right side
    314,787,986.70x = 132,978,754,563,590,544
  5. Step 5: Solve for x
    x = 132,978,754,563,590,544/314,787,986.70
  6. Step 6: Final answer
    x = 422,439,102.45

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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.