Home / 8,232,961,786.20-12,349,442,679.30-6,993,216,221.40

Finding the Fourth Proportional to 8,232,961,786.20, 12,349,442,679.30 and 6,993,216,221.40

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Solution

The fourth proportional to 8,232,961,786.20, 12,349,442,679.30 and 6,993,216,221.40 is: 10,489,824,332.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,232,961,786.20 : 12,349,442,679.30 = 6,993,216,221.40 : x
  2. Step 2: Convert to fraction form
    8,232,961,786.20/12,349,442,679.30 = 6,993,216,221.40/x
  3. Step 3: Cross multiply
    8,232,961,786.20x = 12,349,442,679.30 × 6,993,216,221.40
  4. Step 4: Simplify right side
    8,232,961,786.20x = 86,362,322,870,130,229,248
  5. Step 5: Solve for x
    x = 86,362,322,870,130,229,248/8,232,961,786.20
  6. Step 6: Final answer
    x = 10,489,824,332.10

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Double scale
Find fourth proportional to 8,232,961,787.20, 12,349,442,680.80 and 6,993,216,222.40
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.