Home / 669,078,273,771.40-1,003,616,157,899.90-209,648,115,295.86

Finding the Fourth Proportional to 669,078,273,771.40, 1,003,616,157,899.90 and 209,648,115,295.86

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Solution

The fourth proportional to 669,078,273,771.40, 1,003,616,157,899.90 and 209,648,115,295.86 is: 314,471,780,406.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,078,273,771.40 : 1,003,616,157,899.90 = 209,648,115,295.86 : x
  2. Step 2: Convert to fraction form
    669,078,273,771.40/1,003,616,157,899.90 = 209,648,115,295.86/x
  3. Step 3: Cross multiply
    669,078,273,771.40x = 1,003,616,157,899.90 × 209,648,115,295.86
  4. Step 4: Simplify right side
    669,078,273,771.40x = 210,406,235,984,186,251,935,744
  5. Step 5: Solve for x
    x = 210,406,235,984,186,251,935,744/669,078,273,771.40
  6. Step 6: Final answer
    x = 314,471,780,406.48

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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.