Home / 278,959,362.30-384,967,461.60-153,526,000.29

Finding the Fourth Proportional to 278,959,362.30, 384,967,461.60 and 153,526,000.29

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Solution

The fourth proportional to 278,959,362.30, 384,967,461.60 and 153,526,000.29 is: 211,867,829.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,959,362.30 : 384,967,461.60 = 153,526,000.29 : x
  2. Step 2: Convert to fraction form
    278,959,362.30/384,967,461.60 = 153,526,000.29/x
  3. Step 3: Cross multiply
    278,959,362.30x = 384,967,461.60 × 153,526,000.29
  4. Step 4: Simplify right side
    278,959,362.30x = 59,102,514,621,242,168
  5. Step 5: Solve for x
    x = 59,102,514,621,242,168/278,959,362.30
  6. Step 6: Final answer
    x = 211,867,829.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.