Home / 920,549,279.90-1,380,814,472.01-532,124,957.90

Finding the Fourth Proportional to 920,549,279.90, 1,380,814,472.01 and 532,124,957.90

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Solution

The fourth proportional to 920,549,279.90, 1,380,814,472.01 and 532,124,957.90 is: 798,181,975.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,549,279.90 : 1,380,814,472.01 = 532,124,957.90 : x
  2. Step 2: Convert to fraction form
    920,549,279.90/1,380,814,472.01 = 532,124,957.90/x
  3. Step 3: Cross multiply
    920,549,279.90x = 1,380,814,472.01 × 532,124,957.90
  4. Step 4: Simplify right side
    920,549,279.90x = 734,765,842,786,032,000
  5. Step 5: Solve for x
    x = 734,765,842,786,032,000/920,549,279.90
  6. Step 6: Final answer
    x = 798,181,975.51

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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.