Home / 971,035,090.10-1,456,552,635.15-858,794,750.90

Finding the Fourth Proportional to 971,035,090.10, 1,456,552,635.15 and 858,794,750.90

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Solution

The fourth proportional to 971,035,090.10, 1,456,552,635.15 and 858,794,750.90 is: 1,288,192,126.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,035,090.10 : 1,456,552,635.15 = 858,794,750.90 : x
  2. Step 2: Convert to fraction form
    971,035,090.10/1,456,552,635.15 = 858,794,750.90/x
  3. Step 3: Cross multiply
    971,035,090.10x = 1,456,552,635.15 × 858,794,750.90
  4. Step 4: Simplify right side
    971,035,090.10x = 1,250,879,757,476,382,976
  5. Step 5: Solve for x
    x = 1,250,879,757,476,382,976/971,035,090.10
  6. Step 6: Final answer
    x = 1,288,192,126.35

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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.