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Finding the Fourth Proportional to 608,834,891.56, 838,813,171.62 and 579,811,127.08

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Solution

The fourth proportional to 608,834,891.56, 838,813,171.62 and 579,811,127.08 is: 798,826,113.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,834,891.56 : 838,813,171.62 = 579,811,127.08 : x
  2. Step 2: Convert to fraction form
    608,834,891.56/838,813,171.62 = 579,811,127.08/x
  3. Step 3: Cross multiply
    608,834,891.56x = 838,813,171.62 × 579,811,127.08
  4. Step 4: Simplify right side
    608,834,891.56x = 486,353,210,446,541,696
  5. Step 5: Solve for x
    x = 486,353,210,446,541,696/608,834,891.56
  6. Step 6: Final answer
    x = 798,826,113.92

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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.