Home / 398,834,495.76-550,483,437-233,875,209.36

Finding the Fourth Proportional to 398,834,495.76, 550,483,437 and 233,875,209.36

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Solution

The fourth proportional to 398,834,495.76, 550,483,437 and 233,875,209.36 is: 322,801,639.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,834,495.76 : 550,483,437 = 233,875,209.36 : x
  2. Step 2: Convert to fraction form
    398,834,495.76/550,483,437 = 233,875,209.36/x
  3. Step 3: Cross multiply
    398,834,495.76x = 550,483,437 × 233,875,209.36
  4. Step 4: Simplify right side
    398,834,495.76x = 128,744,429,077,587,376
  5. Step 5: Solve for x
    x = 128,744,429,077,587,376/398,834,495.76
  6. Step 6: Final answer
    x = 322,801,639.39

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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.