Home / 1,008,880,216.92-1,392,350,531.94-632,596,369.32

Finding the Fourth Proportional to 1,008,880,216.92, 1,392,350,531.94 and 632,596,369.32

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Solution

The fourth proportional to 1,008,880,216.92, 1,392,350,531.94 and 632,596,369.32 is: 873,043,079.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,880,216.92 : 1,392,350,531.94 = 632,596,369.32 : x
  2. Step 2: Convert to fraction form
    1,008,880,216.92/1,392,350,531.94 = 632,596,369.32/x
  3. Step 3: Cross multiply
    1,008,880,216.92x = 1,392,350,531.94 × 632,596,369.32
  4. Step 4: Simplify right side
    1,008,880,216.92x = 880,795,891,326,014,848
  5. Step 5: Solve for x
    x = 880,795,891,326,014,848/1,008,880,216.92
  6. Step 6: Final answer
    x = 873,043,079.40

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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.