Home / 8,380,585,155.20-11,565,486,710.88-4,570,316,000.51

Finding the Fourth Proportional to 8,380,585,155.20, 11,565,486,710.88 and 4,570,316,000.51

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Solution

The fourth proportional to 8,380,585,155.20, 11,565,486,710.88 and 4,570,316,000.51 is: 6,307,188,339.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,380,585,155.20 : 11,565,486,710.88 = 4,570,316,000.51 : x
  2. Step 2: Convert to fraction form
    8,380,585,155.20/11,565,486,710.88 = 4,570,316,000.51/x
  3. Step 3: Cross multiply
    8,380,585,155.20x = 11,565,486,710.88 × 4,570,316,000.51
  4. Step 4: Simplify right side
    8,380,585,155.20x = 52,857,928,968,420,638,720
  5. Step 5: Solve for x
    x = 52,857,928,968,420,638,720/8,380,585,155.20
  6. Step 6: Final answer
    x = 6,307,188,339.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.