Home / 693,744,018.17-957,427,282.56-380,538,766.82

Finding the Fourth Proportional to 693,744,018.17, 957,427,282.56 and 380,538,766.82

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Solution

The fourth proportional to 693,744,018.17, 957,427,282.56 and 380,538,766.82 is: 525,176,704.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,744,018.17 : 957,427,282.56 = 380,538,766.82 : x
  2. Step 2: Convert to fraction form
    693,744,018.17/957,427,282.56 = 380,538,766.82/x
  3. Step 3: Cross multiply
    693,744,018.17x = 957,427,282.56 × 380,538,766.82
  4. Step 4: Simplify right side
    693,744,018.17x = 364,338,197,421,509,248
  5. Step 5: Solve for x
    x = 364,338,197,421,509,248/693,744,018.17
  6. Step 6: Final answer
    x = 525,176,704.78

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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.