Home / 746,532,891.40-1,119,967,298.70-439,667,048.20

Finding the Fourth Proportional to 746,532,891.40, 1,119,967,298.70 and 439,667,048.20

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Solution

The fourth proportional to 746,532,891.40, 1,119,967,298.70 and 439,667,048.20 is: 659,599,492.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,532,891.40 : 1,119,967,298.70 = 439,667,048.20 : x
  2. Step 2: Convert to fraction form
    746,532,891.40/1,119,967,298.70 = 439,667,048.20/x
  3. Step 3: Cross multiply
    746,532,891.40x = 1,119,967,298.70 × 439,667,048.20
  4. Step 4: Simplify right side
    746,532,891.40x = 492,412,716,299,956,736
  5. Step 5: Solve for x
    x = 492,412,716,299,956,736/746,532,891.40
  6. Step 6: Final answer
    x = 659,599,492.50

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1.5x scale

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.