Home / 8,551,322,420.90-11,796,631,454.43-7,420,705,313.00

Finding the Fourth Proportional to 8,551,322,420.90, 11,796,631,454.43 and 7,420,705,313.00

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Solution

The fourth proportional to 8,551,322,420.90, 11,796,631,454.43 and 7,420,705,313.00 is: 10,236,934,289.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,551,322,420.90 : 11,796,631,454.43 = 7,420,705,313.00 : x
  2. Step 2: Convert to fraction form
    8,551,322,420.90/11,796,631,454.43 = 7,420,705,313.00/x
  3. Step 3: Cross multiply
    8,551,322,420.90x = 11,796,631,454.43 × 7,420,705,313.00
  4. Step 4: Simplify right side
    8,551,322,420.90x = 87,539,325,709,332,643,840
  5. Step 5: Solve for x
    x = 87,539,325,709,332,643,840/8,551,322,420.90
  6. Step 6: Final answer
    x = 10,236,934,289.30

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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.