Home / 649,539,741.60-974,309,612.40-164,865,549.60

Finding the Fourth Proportional to 649,539,741.60, 974,309,612.40 and 164,865,549.60

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Solution

The fourth proportional to 649,539,741.60, 974,309,612.40 and 164,865,549.60 is: 247,298,324.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,539,741.60 : 974,309,612.40 = 164,865,549.60 : x
  2. Step 2: Convert to fraction form
    649,539,741.60/974,309,612.40 = 164,865,549.60/x
  3. Step 3: Cross multiply
    649,539,741.60x = 974,309,612.40 × 164,865,549.60
  4. Step 4: Simplify right side
    649,539,741.60x = 160,630,089,728,888,960
  5. Step 5: Solve for x
    x = 160,630,089,728,888,960/649,539,741.60
  6. Step 6: Final answer
    x = 247,298,324.40

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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.