Home / 852,984,021.90-1,279,476,032.85-715,234,514.70

Finding the Fourth Proportional to 852,984,021.90, 1,279,476,032.85 and 715,234,514.70

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Solution

The fourth proportional to 852,984,021.90, 1,279,476,032.85 and 715,234,514.70 is: 1,072,851,772.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,984,021.90 : 1,279,476,032.85 = 715,234,514.70 : x
  2. Step 2: Convert to fraction form
    852,984,021.90/1,279,476,032.85 = 715,234,514.70/x
  3. Step 3: Cross multiply
    852,984,021.90x = 1,279,476,032.85 × 715,234,514.70
  4. Step 4: Simplify right side
    852,984,021.90x = 915,125,419,425,751,040
  5. Step 5: Solve for x
    x = 915,125,419,425,751,040/852,984,021.90
  6. Step 6: Final answer
    x = 1,072,851,772.05

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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.