Home / 398,834,352.76-550,483,239.87-233,875,066.36

Finding the Fourth Proportional to 398,834,352.76, 550,483,239.87 and 233,875,066.36

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Solution

The fourth proportional to 398,834,352.76, 550,483,239.87 and 233,875,066.36 is: 322,801,442.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,834,352.76 : 550,483,239.87 = 233,875,066.36 : x
  2. Step 2: Convert to fraction form
    398,834,352.76/550,483,239.87 = 233,875,066.36/x
  3. Step 3: Cross multiply
    398,834,352.76x = 550,483,239.87 × 233,875,066.36
  4. Step 4: Simplify right side
    398,834,352.76x = 128,744,304,253,494,688
  5. Step 5: Solve for x
    x = 128,744,304,253,494,688/398,834,352.76
  6. Step 6: Final answer
    x = 322,801,442.16

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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.