Home / 1,190,269,623.40-1,783,708,867.68-876,912,917.38

Finding the Fourth Proportional to 1,190,269,623.40, 1,783,708,867.68 and 876,912,917.38

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Solution

The fourth proportional to 1,190,269,623.40, 1,783,708,867.68 and 876,912,917.38 is: 1,314,120,192.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,269,623.40 : 1,783,708,867.68 = 876,912,917.38 : x
  2. Step 2: Convert to fraction form
    1,190,269,623.40/1,783,708,867.68 = 876,912,917.38/x
  3. Step 3: Cross multiply
    1,190,269,623.40x = 1,783,708,867.68 × 876,912,917.38
  4. Step 4: Simplify right side
    1,190,269,623.40x = 1,564,157,346,913,845,248
  5. Step 5: Solve for x
    x = 1,564,157,346,913,845,248/1,190,269,623.40
  6. Step 6: Final answer
    x = 1,314,120,192.74

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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.