Home / 9,005,043,309.99-12,426,960,945.72-4,990,972,729.24

Finding the Fourth Proportional to 9,005,043,309.99, 12,426,960,945.72 and 4,990,972,729.24

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Solution

The fourth proportional to 9,005,043,309.99, 12,426,960,945.72 and 4,990,972,729.24 is: 6,887,543,019.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,005,043,309.99 : 12,426,960,945.72 = 4,990,972,729.24 : x
  2. Step 2: Convert to fraction form
    9,005,043,309.99/12,426,960,945.72 = 4,990,972,729.24/x
  3. Step 3: Cross multiply
    9,005,043,309.99x = 12,426,960,945.72 × 4,990,972,729.24
  4. Step 4: Simplify right side
    9,005,043,309.99x = 62,022,623,187,419,037,696
  5. Step 5: Solve for x
    x = 62,022,623,187,419,037,696/9,005,043,309.99
  6. Step 6: Final answer
    x = 6,887,543,019.21

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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.