Home / 962,142,712.34-1,327,756,943.15-522,109,564.34

Finding the Fourth Proportional to 962,142,712.34, 1,327,756,943.15 and 522,109,564.34

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Solution

The fourth proportional to 962,142,712.34, 1,327,756,943.15 and 522,109,564.34 is: 720,511,198.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    962,142,712.34 : 1,327,756,943.15 = 522,109,564.34 : x
  2. Step 2: Convert to fraction form
    962,142,712.34/1,327,756,943.15 = 522,109,564.34/x
  3. Step 3: Cross multiply
    962,142,712.34x = 1,327,756,943.15 × 522,109,564.34
  4. Step 4: Simplify right side
    962,142,712.34x = 693,234,599,139,155,072
  5. Step 5: Solve for x
    x = 693,234,599,139,155,072/962,142,712.34
  6. Step 6: Final answer
    x = 720,511,198.86

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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.