Home / 386,652,087.18-533,591,210.91-210,451,495.02

Finding the Fourth Proportional to 386,652,087.18, 533,591,210.91 and 210,451,495.02

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Solution

The fourth proportional to 386,652,087.18, 533,591,210.91 and 210,451,495.02 is: 290,429,230.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,652,087.18 : 533,591,210.91 = 210,451,495.02 : x
  2. Step 2: Convert to fraction form
    386,652,087.18/533,591,210.91 = 210,451,495.02/x
  3. Step 3: Cross multiply
    386,652,087.18x = 533,591,210.91 × 210,451,495.02
  4. Step 4: Simplify right side
    386,652,087.18x = 112,295,068,065,541,648
  5. Step 5: Solve for x
    x = 112,295,068,065,541,648/386,652,087.18
  6. Step 6: Final answer
    x = 290,429,230.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.