Home / 669,078,273,774.39-1,003,616,157,904.40-209,648,115,298.86

Finding the Fourth Proportional to 669,078,273,774.39, 1,003,616,157,904.40 and 209,648,115,298.86

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Solution

The fourth proportional to 669,078,273,774.39, 1,003,616,157,904.40 and 209,648,115,298.86 is: 314,471,780,410.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,078,273,774.39 : 1,003,616,157,904.40 = 209,648,115,298.86 : x
  2. Step 2: Convert to fraction form
    669,078,273,774.39/1,003,616,157,904.40 = 209,648,115,298.86/x
  3. Step 3: Cross multiply
    669,078,273,774.39x = 1,003,616,157,904.40 × 209,648,115,298.86
  4. Step 4: Simplify right side
    669,078,273,774.39x = 210,406,235,988,140,541,083,648
  5. Step 5: Solve for x
    x = 210,406,235,988,140,541,083,648/669,078,273,774.39
  6. Step 6: Final answer
    x = 314,471,780,410.99

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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.