Home / 314,879,027.80-472,407,015.30-153,326,234.20

Finding the Fourth Proportional to 314,879,027.80, 472,407,015.30 and 153,326,234.20

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Solution

The fourth proportional to 314,879,027.80, 472,407,015.30 and 153,326,234.20 is: 230,032,432.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,879,027.80 : 472,407,015.30 = 153,326,234.20 : x
  2. Step 2: Convert to fraction form
    314,879,027.80/472,407,015.30 = 153,326,234.20/x
  3. Step 3: Cross multiply
    314,879,027.80x = 472,407,015.30 × 153,326,234.20
  4. Step 4: Simplify right side
    314,879,027.80x = 72,432,388,665,610,784
  5. Step 5: Solve for x
    x = 72,432,388,665,610,784/314,879,027.80
  6. Step 6: Final answer
    x = 230,032,432.37

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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.