Home / 401,140,856.40-601,711,284.60-366,703,479.60

Finding the Fourth Proportional to 401,140,856.40, 601,711,284.60 and 366,703,479.60

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Solution

The fourth proportional to 401,140,856.40, 601,711,284.60 and 366,703,479.60 is: 550,055,219.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,140,856.40 : 601,711,284.60 = 366,703,479.60 : x
  2. Step 2: Convert to fraction form
    401,140,856.40/601,711,284.60 = 366,703,479.60/x
  3. Step 3: Cross multiply
    401,140,856.40x = 601,711,284.60 × 366,703,479.60
  4. Step 4: Simplify right side
    401,140,856.40x = 220,649,621,777,405,920
  5. Step 5: Solve for x
    x = 220,649,621,777,405,920/401,140,856.40
  6. Step 6: Final answer
    x = 550,055,219.40

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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.