Home / 8,160,165,621.60-12,240,248,432.40-4,894,992,117.60

Finding the Fourth Proportional to 8,160,165,621.60, 12,240,248,432.40 and 4,894,992,117.60

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Solution

The fourth proportional to 8,160,165,621.60, 12,240,248,432.40 and 4,894,992,117.60 is: 7,342,488,176.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,160,165,621.60 : 12,240,248,432.40 = 4,894,992,117.60 : x
  2. Step 2: Convert to fraction form
    8,160,165,621.60/12,240,248,432.40 = 4,894,992,117.60/x
  3. Step 3: Cross multiply
    8,160,165,621.60x = 12,240,248,432.40 × 4,894,992,117.60
  4. Step 4: Simplify right side
    8,160,165,621.60x = 59,915,919,594,063,757,312
  5. Step 5: Solve for x
    x = 59,915,919,594,063,757,312/8,160,165,621.60
  6. Step 6: Final answer
    x = 7,342,488,176.40

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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.