Home / 295,009,879.40-442,514,819.10-157,260,372.20

Finding the Fourth Proportional to 295,009,879.40, 442,514,819.10 and 157,260,372.20

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Solution

The fourth proportional to 295,009,879.40, 442,514,819.10 and 157,260,372.20 is: 235,890,558.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,009,879.40 : 442,514,819.10 = 157,260,372.20 : x
  2. Step 2: Convert to fraction form
    295,009,879.40/442,514,819.10 = 157,260,372.20/x
  3. Step 3: Cross multiply
    295,009,879.40x = 442,514,819.10 × 157,260,372.20
  4. Step 4: Simplify right side
    295,009,879.40x = 69,590,045,155,681,664
  5. Step 5: Solve for x
    x = 69,590,045,155,681,664/295,009,879.40
  6. Step 6: Final answer
    x = 235,890,558.30

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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.