Home / 746,532,905.90-1,119,967,320.45-439,667,062.70

Finding the Fourth Proportional to 746,532,905.90, 1,119,967,320.45 and 439,667,062.70

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Solution

The fourth proportional to 746,532,905.90, 1,119,967,320.45 and 439,667,062.70 is: 659,599,514.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,532,905.90 : 1,119,967,320.45 = 439,667,062.70 : x
  2. Step 2: Convert to fraction form
    746,532,905.90/1,119,967,320.45 = 439,667,062.70/x
  3. Step 3: Cross multiply
    746,532,905.90x = 1,119,967,320.45 × 439,667,062.70
  4. Step 4: Simplify right side
    746,532,905.90x = 492,412,742,102,241,152
  5. Step 5: Solve for x
    x = 492,412,742,102,241,152/746,532,905.90
  6. Step 6: Final answer
    x = 659,599,514.25

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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.