Home / 948,521,315-1,308,959,414.70-514,410,851

Finding the Fourth Proportional to 948,521,315, 1,308,959,414.70 and 514,410,851

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Solution

The fourth proportional to 948,521,315, 1,308,959,414.70 and 514,410,851 is: 709,886,974.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,521,315 : 1,308,959,414.70 = 514,410,851 : x
  2. Step 2: Convert to fraction form
    948,521,315/1,308,959,414.70 = 514,410,851/x
  3. Step 3: Cross multiply
    948,521,315x = 1,308,959,414.70 × 514,410,851
  4. Step 4: Simplify right side
    948,521,315x = 673,342,926,440,288,896
  5. Step 5: Solve for x
    x = 673,342,926,440,288,896/948,521,315
  6. Step 6: Final answer
    x = 709,886,974.38

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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.