Home / 564,788,928.32-779,323,872.48-317,222,861.12

Finding the Fourth Proportional to 564,788,928.32, 779,323,872.48 and 317,222,861.12

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Solution

The fourth proportional to 564,788,928.32, 779,323,872.48 and 317,222,861.12 is: 437,719,891.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,788,928.32 : 779,323,872.48 = 317,222,861.12 : x
  2. Step 2: Convert to fraction form
    564,788,928.32/779,323,872.48 = 317,222,861.12/x
  3. Step 3: Cross multiply
    564,788,928.32x = 779,323,872.48 × 317,222,861.12
  4. Step 4: Simplify right side
    564,788,928.32x = 247,219,348,567,223,648
  5. Step 5: Solve for x
    x = 247,219,348,567,223,648/564,788,928.32
  6. Step 6: Final answer
    x = 437,719,891.75

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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.