Home / 2,099,523,620.60-3,149,285,430.90-645,312,087.80

Finding the Fourth Proportional to 2,099,523,620.60, 3,149,285,430.90 and 645,312,087.80

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Solution

The fourth proportional to 2,099,523,620.60, 3,149,285,430.90 and 645,312,087.80 is: 967,968,131.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,099,523,620.60 : 3,149,285,430.90 = 645,312,087.80 : x
  2. Step 2: Convert to fraction form
    2,099,523,620.60/3,149,285,430.90 = 645,312,087.80/x
  3. Step 3: Cross multiply
    2,099,523,620.60x = 3,149,285,430.90 × 645,312,087.80
  4. Step 4: Simplify right side
    2,099,523,620.60x = 2,032,271,956,492,201,472
  5. Step 5: Solve for x
    x = 2,032,271,956,492,201,472/2,099,523,620.60
  6. Step 6: Final answer
    x = 967,968,131.70

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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.