Home / 880,925,709.26-1,215,709,442.12-504,655,018.52

Finding the Fourth Proportional to 880,925,709.26, 1,215,709,442.12 and 504,655,018.52

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Solution

The fourth proportional to 880,925,709.26, 1,215,709,442.12 and 504,655,018.52 is: 696,442,236.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,925,709.26 : 1,215,709,442.12 = 504,655,018.52 : x
  2. Step 2: Convert to fraction form
    880,925,709.26/1,215,709,442.12 = 504,655,018.52/x
  3. Step 3: Cross multiply
    880,925,709.26x = 1,215,709,442.12 × 504,655,018.52
  4. Step 4: Simplify right side
    880,925,709.26x = 613,513,871,028,007,424
  5. Step 5: Solve for x
    x = 613,513,871,028,007,424/880,925,709.26
  6. Step 6: Final answer
    x = 696,442,236.36

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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.