Home / 12,279,627,526.08-16,945,937,041.80-6,640,843,377.36

Finding the Fourth Proportional to 12,279,627,526.08, 16,945,937,041.80 and 6,640,843,377.36

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Solution

The fourth proportional to 12,279,627,526.08, 16,945,937,041.80 and 6,640,843,377.36 is: 9,164,391,471.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,279,627,526.08 : 16,945,937,041.80 = 6,640,843,377.36 : x
  2. Step 2: Convert to fraction form
    12,279,627,526.08/16,945,937,041.80 = 6,640,843,377.36/x
  3. Step 3: Cross multiply
    12,279,627,526.08x = 16,945,937,041.80 × 6,640,843,377.36
  4. Step 4: Simplify right side
    12,279,627,526.08x = 112,535,313,777,197,023,232
  5. Step 5: Solve for x
    x = 112,535,313,777,197,023,232/12,279,627,526.08
  6. Step 6: Final answer
    x = 9,164,391,471.83

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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.