Home / 920,549,372.90-1,380,814,611.32-532,125,050.90

Finding the Fourth Proportional to 920,549,372.90, 1,380,814,611.32 and 532,125,050.90

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Solution

The fourth proportional to 920,549,372.90, 1,380,814,611.32 and 532,125,050.90 is: 798,182,114.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,549,372.90 : 1,380,814,611.32 = 532,125,050.90 : x
  2. Step 2: Convert to fraction form
    920,549,372.90/1,380,814,611.32 = 532,125,050.90/x
  3. Step 3: Cross multiply
    920,549,372.90x = 1,380,814,611.32 × 532,125,050.90
  4. Step 4: Simplify right side
    920,549,372.90x = 734,766,045,332,118,656
  5. Step 5: Solve for x
    x = 734,766,045,332,118,656/920,549,372.90
  6. Step 6: Final answer
    x = 798,182,114.90

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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.