Home / 4,549,689,115.60-6,824,533,673.40-1,278,138,319.60

Finding the Fourth Proportional to 4,549,689,115.60, 6,824,533,673.40 and 1,278,138,319.60

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Solution

The fourth proportional to 4,549,689,115.60, 6,824,533,673.40 and 1,278,138,319.60 is: 1,917,207,479.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,549,689,115.60 : 6,824,533,673.40 = 1,278,138,319.60 : x
  2. Step 2: Convert to fraction form
    4,549,689,115.60/6,824,533,673.40 = 1,278,138,319.60/x
  3. Step 3: Cross multiply
    4,549,689,115.60x = 6,824,533,673.40 × 1,278,138,319.60
  4. Step 4: Simplify right side
    4,549,689,115.60x = 8,722,698,001,373,089,792
  5. Step 5: Solve for x
    x = 8,722,698,001,373,089,792/4,549,689,115.60
  6. Step 6: Final answer
    x = 1,917,207,479.40

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Double scale
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Similar ratio
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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.