Home / 1,311,268,702.38-1,809,653,998.23-746,777,479.74

Finding the Fourth Proportional to 1,311,268,702.38, 1,809,653,998.23 and 746,777,479.74

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Solution

The fourth proportional to 1,311,268,702.38, 1,809,653,998.23 and 746,777,479.74 is: 1,030,611,688.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,311,268,702.38 : 1,809,653,998.23 = 746,777,479.74 : x
  2. Step 2: Convert to fraction form
    1,311,268,702.38/1,809,653,998.23 = 746,777,479.74/x
  3. Step 3: Cross multiply
    1,311,268,702.38x = 1,809,653,998.23 × 746,777,479.74
  4. Step 4: Simplify right side
    1,311,268,702.38x = 1,351,408,851,999,613,952
  5. Step 5: Solve for x
    x = 1,351,408,851,999,613,952/1,311,268,702.38
  6. Step 6: Final answer
    x = 1,030,611,688.93

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Half scale
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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.