Home / 2,793,885,781.60-4,190,828,672.40-828,809,711.20

Finding the Fourth Proportional to 2,793,885,781.60, 4,190,828,672.40 and 828,809,711.20

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Solution

The fourth proportional to 2,793,885,781.60, 4,190,828,672.40 and 828,809,711.20 is: 1,243,214,566.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,793,885,781.60 : 4,190,828,672.40 = 828,809,711.20 : x
  2. Step 2: Convert to fraction form
    2,793,885,781.60/4,190,828,672.40 = 828,809,711.20/x
  3. Step 3: Cross multiply
    2,793,885,781.60x = 4,190,828,672.40 × 828,809,711.20
  4. Step 4: Simplify right side
    2,793,885,781.60x = 3,473,399,501,660,523,520
  5. Step 5: Solve for x
    x = 3,473,399,501,660,523,520/2,793,885,781.60
  6. Step 6: Final answer
    x = 1,243,214,566.80

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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.