Home / 472,179,200.40-708,268,800.60-386,014,899.60

Finding the Fourth Proportional to 472,179,200.40, 708,268,800.60 and 386,014,899.60

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Solution

The fourth proportional to 472,179,200.40, 708,268,800.60 and 386,014,899.60 is: 579,022,349.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,179,200.40 : 708,268,800.60 = 386,014,899.60 : x
  2. Step 2: Convert to fraction form
    472,179,200.40/708,268,800.60 = 386,014,899.60/x
  3. Step 3: Cross multiply
    472,179,200.40x = 708,268,800.60 × 386,014,899.60
  4. Step 4: Simplify right side
    472,179,200.40x = 273,402,309,953,421,440
  5. Step 5: Solve for x
    x = 273,402,309,953,421,440/472,179,200.40
  6. Step 6: Final answer
    x = 579,022,349.40

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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.