Home / 920,549,278.90-1,380,814,470.51-532,124,956.90

Finding the Fourth Proportional to 920,549,278.90, 1,380,814,470.51 and 532,124,956.90

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Solution

The fourth proportional to 920,549,278.90, 1,380,814,470.51 and 532,124,956.90 is: 798,181,974.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,549,278.90 : 1,380,814,470.51 = 532,124,956.90 : x
  2. Step 2: Convert to fraction form
    920,549,278.90/1,380,814,470.51 = 532,124,956.90/x
  3. Step 3: Cross multiply
    920,549,278.90x = 1,380,814,470.51 × 532,124,956.90
  4. Step 4: Simplify right side
    920,549,278.90x = 734,765,840,607,030,016
  5. Step 5: Solve for x
    x = 734,765,840,607,030,016/920,549,278.90
  6. Step 6: Final answer
    x = 798,181,974.01

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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.