Home / 859,077,383.57-1,185,493,416.82-525,109,082.72

Finding the Fourth Proportional to 859,077,383.57, 1,185,493,416.82 and 525,109,082.72

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Solution

The fourth proportional to 859,077,383.57, 1,185,493,416.82 and 525,109,082.72 is: 724,630,135.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,077,383.57 : 1,185,493,416.82 = 525,109,082.72 : x
  2. Step 2: Convert to fraction form
    859,077,383.57/1,185,493,416.82 = 525,109,082.72/x
  3. Step 3: Cross multiply
    859,077,383.57x = 1,185,493,416.82 × 525,109,082.72
  4. Step 4: Simplify right side
    859,077,383.57x = 622,513,360,678,599,808
  5. Step 5: Solve for x
    x = 622,513,360,678,599,808/859,077,383.57
  6. Step 6: Final answer
    x = 724,630,135.29

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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.