Home / 808,587,257.92-1,115,850,417.69-437,309,289.25

Finding the Fourth Proportional to 808,587,257.92, 1,115,850,417.69 and 437,309,289.25

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Solution

The fourth proportional to 808,587,257.92, 1,115,850,417.69 and 437,309,289.25 is: 603,486,820.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,587,257.92 : 1,115,850,417.69 = 437,309,289.25 : x
  2. Step 2: Convert to fraction form
    808,587,257.92/1,115,850,417.69 = 437,309,289.25/x
  3. Step 3: Cross multiply
    808,587,257.92x = 1,115,850,417.69 × 437,309,289.25
  4. Step 4: Simplify right side
    808,587,257.92x = 487,971,753,069,329,536
  5. Step 5: Solve for x
    x = 487,971,753,069,329,536/808,587,257.92
  6. Step 6: Final answer
    x = 603,486,820.12

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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.