Home / 939,171,272.88-1,296,559,534.20-724,120,203

Finding the Fourth Proportional to 939,171,272.88, 1,296,559,534.20 and 724,120,203

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Solution

The fourth proportional to 939,171,272.88, 1,296,559,534.20 and 724,120,203 is: 999,673,840.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,171,272.88 : 1,296,559,534.20 = 724,120,203 : x
  2. Step 2: Convert to fraction form
    939,171,272.88/1,296,559,534.20 = 724,120,203/x
  3. Step 3: Cross multiply
    939,171,272.88x = 1,296,559,534.20 × 724,120,203
  4. Step 4: Simplify right side
    939,171,272.88x = 938,864,953,106,489,472
  5. Step 5: Solve for x
    x = 938,864,953,106,489,472/939,171,272.88
  6. Step 6: Final answer
    x = 999,673,840.35

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1.5x scale

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.