Home / 366,565,139.20-549,847,708.80-211,596,943.60

Finding the Fourth Proportional to 366,565,139.20, 549,847,708.80 and 211,596,943.60

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Solution

The fourth proportional to 366,565,139.20, 549,847,708.80 and 211,596,943.60 is: 317,395,415.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,565,139.20 : 549,847,708.80 = 211,596,943.60 : x
  2. Step 2: Convert to fraction form
    366,565,139.20/549,847,708.80 = 211,596,943.60/x
  3. Step 3: Cross multiply
    366,565,139.20x = 549,847,708.80 × 211,596,943.60
  4. Step 4: Simplify right side
    366,565,139.20x = 116,346,094,627,542,816
  5. Step 5: Solve for x
    x = 116,346,094,627,542,816/366,565,139.20
  6. Step 6: Final answer
    x = 317,395,415.40

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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.