Home / 607,589,926.92-838,608,986.82-369,384,495.74

Finding the Fourth Proportional to 607,589,926.92, 838,608,986.82 and 369,384,495.74

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Solution

The fourth proportional to 607,589,926.92, 838,608,986.82 and 369,384,495.74 is: 509,832,609.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,589,926.92 : 838,608,986.82 = 369,384,495.74 : x
  2. Step 2: Convert to fraction form
    607,589,926.92/838,608,986.82 = 369,384,495.74/x
  3. Step 3: Cross multiply
    607,589,926.92x = 838,608,986.82 × 369,384,495.74
  4. Step 4: Simplify right side
    607,589,926.92x = 309,769,157,719,538,048
  5. Step 5: Solve for x
    x = 309,769,157,719,538,048/607,589,926.92
  6. Step 6: Final answer
    x = 509,832,609.12

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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.