Home / 873,420,341.44-1,309,692,412.26-290,949,808

Finding the Fourth Proportional to 873,420,341.44, 1,309,692,412.26 and 290,949,808

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Solution

The fourth proportional to 873,420,341.44, 1,309,692,412.26 and 290,949,808 is: 436,278,774.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,420,341.44 : 1,309,692,412.26 = 290,949,808 : x
  2. Step 2: Convert to fraction form
    873,420,341.44/1,309,692,412.26 = 290,949,808/x
  3. Step 3: Cross multiply
    873,420,341.44x = 1,309,692,412.26 × 290,949,808
  4. Step 4: Simplify right side
    873,420,341.44x = 381,054,755,886,103,872
  5. Step 5: Solve for x
    x = 381,054,755,886,103,872/873,420,341.44
  6. Step 6: Final answer
    x = 436,278,774.16

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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.