Home / 886,425,557.78-1,223,293,284.21-484,561,512.67

Finding the Fourth Proportional to 886,425,557.78, 1,223,293,284.21 and 484,561,512.67

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Solution

The fourth proportional to 886,425,557.78, 1,223,293,284.21 and 484,561,512.67 is: 668,709,108.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,425,557.78 : 1,223,293,284.21 = 484,561,512.67 : x
  2. Step 2: Convert to fraction form
    886,425,557.78/1,223,293,284.21 = 484,561,512.67/x
  3. Step 3: Cross multiply
    886,425,557.78x = 1,223,293,284.21 × 484,561,512.67
  4. Step 4: Simplify right side
    886,425,557.78x = 592,760,844,227,310,592
  5. Step 5: Solve for x
    x = 592,760,844,227,310,592/886,425,557.78
  6. Step 6: Final answer
    x = 668,709,108.20

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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.