Home / 1,010,460,707.91-1,515,744,590.03-311,432,964.75

Finding the Fourth Proportional to 1,010,460,707.91, 1,515,744,590.03 and 311,432,964.75

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Solution

The fourth proportional to 1,010,460,707.91, 1,515,744,590.03 and 311,432,964.75 is: 467,165,944.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,460,707.91 : 1,515,744,590.03 = 311,432,964.75 : x
  2. Step 2: Convert to fraction form
    1,010,460,707.91/1,515,744,590.03 = 311,432,964.75/x
  3. Step 3: Cross multiply
    1,010,460,707.91x = 1,515,744,590.03 × 311,432,964.75
  4. Step 4: Simplify right side
    1,010,460,707.91x = 472,052,831,475,259,072
  5. Step 5: Solve for x
    x = 472,052,831,475,259,072/1,010,460,707.91
  6. Step 6: Final answer
    x = 467,165,944.98

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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.