Home / 920,549,242.15-1,380,814,415.38-532,124,920.15

Finding the Fourth Proportional to 920,549,242.15, 1,380,814,415.38 and 532,124,920.15

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Solution

The fourth proportional to 920,549,242.15, 1,380,814,415.38 and 532,124,920.15 is: 798,181,918.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,549,242.15 : 1,380,814,415.38 = 532,124,920.15 : x
  2. Step 2: Convert to fraction form
    920,549,242.15/1,380,814,415.38 = 532,124,920.15/x
  3. Step 3: Cross multiply
    920,549,242.15x = 1,380,814,415.38 × 532,124,920.15
  4. Step 4: Simplify right side
    920,549,242.15x = 734,765,760,526,051,456
  5. Step 5: Solve for x
    x = 734,765,760,526,051,456/920,549,242.15
  6. Step 6: Final answer
    x = 798,181,918.88

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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.