Home / 754,484,199.09-1,041,188,242.76-419,949,519.92

Finding the Fourth Proportional to 754,484,199.09, 1,041,188,242.76 and 419,949,519.92

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Solution

The fourth proportional to 754,484,199.09, 1,041,188,242.76 and 419,949,519.92 is: 579,530,364.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,484,199.09 : 1,041,188,242.76 = 419,949,519.92 : x
  2. Step 2: Convert to fraction form
    754,484,199.09/1,041,188,242.76 = 419,949,519.92/x
  3. Step 3: Cross multiply
    754,484,199.09x = 1,041,188,242.76 × 419,949,519.92
  4. Step 4: Simplify right side
    754,484,199.09x = 437,246,502,693,410,432
  5. Step 5: Solve for x
    x = 437,246,502,693,410,432/754,484,199.09
  6. Step 6: Final answer
    x = 579,530,364.22

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Double scale
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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.