Home / 3,779,138,829.60-5,278,549,960.80-3,779,138,829.60

Finding the Fourth Proportional to 3,779,138,829.60, 5,278,549,960.80 and 3,779,138,829.60

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Solution

The fourth proportional to 3,779,138,829.60, 5,278,549,960.80 and 3,779,138,829.60 is: 5,278,549,960.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,779,138,829.60 : 5,278,549,960.80 = 3,779,138,829.60 : x
  2. Step 2: Convert to fraction form
    3,779,138,829.60/5,278,549,960.80 = 3,779,138,829.60/x
  3. Step 3: Cross multiply
    3,779,138,829.60x = 5,278,549,960.80 × 3,779,138,829.60
  4. Step 4: Simplify right side
    3,779,138,829.60x = 19,948,373,120,842,838,016
  5. Step 5: Solve for x
    x = 19,948,373,120,842,838,016/3,779,138,829.60
  6. Step 6: Final answer
    x = 5,278,549,960.80

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.