Home / 3,779,187,340.40-5,668,781,010.60-2,990,103,743.60

Finding the Fourth Proportional to 3,779,187,340.40, 5,668,781,010.60 and 2,990,103,743.60

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Solution

The fourth proportional to 3,779,187,340.40, 5,668,781,010.60 and 2,990,103,743.60 is: 4,485,155,615.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,779,187,340.40 : 5,668,781,010.60 = 2,990,103,743.60 : x
  2. Step 2: Convert to fraction form
    3,779,187,340.40/5,668,781,010.60 = 2,990,103,743.60/x
  3. Step 3: Cross multiply
    3,779,187,340.40x = 5,668,781,010.60 × 2,990,103,743.60
  4. Step 4: Simplify right side
    3,779,187,340.40x = 16,950,243,321,443,651,584
  5. Step 5: Solve for x
    x = 16,950,243,321,443,651,584/3,779,187,340.40
  6. Step 6: Final answer
    x = 4,485,155,615.40

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Double scale
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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.