Home / 2,099,523,614.60-3,149,285,421.90-645,312,081.80

Finding the Fourth Proportional to 2,099,523,614.60, 3,149,285,421.90 and 645,312,081.80

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Solution

The fourth proportional to 2,099,523,614.60, 3,149,285,421.90 and 645,312,081.80 is: 967,968,122.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,099,523,614.60 : 3,149,285,421.90 = 645,312,081.80 : x
  2. Step 2: Convert to fraction form
    2,099,523,614.60/3,149,285,421.90 = 645,312,081.80/x
  3. Step 3: Cross multiply
    2,099,523,614.60x = 3,149,285,421.90 × 645,312,081.80
  4. Step 4: Simplify right side
    2,099,523,614.60x = 2,032,271,931,788,680,192
  5. Step 5: Solve for x
    x = 2,032,271,931,788,680,192/2,099,523,614.60
  6. Step 6: Final answer
    x = 967,968,122.70

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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.