Home / 1,474,920,708.60-2,212,097,627.70-439,815,358.20

Finding the Fourth Proportional to 1,474,920,708.60, 2,212,097,627.70 and 439,815,358.20

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Solution

The fourth proportional to 1,474,920,708.60, 2,212,097,627.70 and 439,815,358.20 is: 659,638,518.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,474,920,708.60 : 2,212,097,627.70 = 439,815,358.20 : x
  2. Step 2: Convert to fraction form
    1,474,920,708.60/2,212,097,627.70 = 439,815,358.20/x
  3. Step 3: Cross multiply
    1,474,920,708.60x = 2,212,097,627.70 × 439,815,358.20
  4. Step 4: Simplify right side
    1,474,920,708.60x = 972,914,510,500,245,632
  5. Step 5: Solve for x
    x = 972,914,510,500,245,632/1,474,920,708.60
  6. Step 6: Final answer
    x = 659,638,518.08

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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.