Home / 407,880,962.22-562,875,808.77-222,241,977.90

Finding the Fourth Proportional to 407,880,962.22, 562,875,808.77 and 222,241,977.90

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Solution

The fourth proportional to 407,880,962.22, 562,875,808.77 and 222,241,977.90 is: 306,693,973.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,880,962.22 : 562,875,808.77 = 222,241,977.90 : x
  2. Step 2: Convert to fraction form
    407,880,962.22/562,875,808.77 = 222,241,977.90/x
  3. Step 3: Cross multiply
    407,880,962.22x = 562,875,808.77 × 222,241,977.90
  4. Step 4: Simplify right side
    407,880,962.22x = 125,094,633,053,106,960
  5. Step 5: Solve for x
    x = 125,094,633,053,106,960/407,880,962.22
  6. Step 6: Final answer
    x = 306,693,973.59

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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.