Home / 502,823,439.60-693,956,753.76-304,579,117.62

Finding the Fourth Proportional to 502,823,439.60, 693,956,753.76 and 304,579,117.62

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Solution

The fourth proportional to 502,823,439.60, 693,956,753.76 and 304,579,117.62 is: 420,355,773.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,823,439.60 : 693,956,753.76 = 304,579,117.62 : x
  2. Step 2: Convert to fraction form
    502,823,439.60/693,956,753.76 = 304,579,117.62/x
  3. Step 3: Cross multiply
    502,823,439.60x = 693,956,753.76 × 304,579,117.62
  4. Step 4: Simplify right side
    502,823,439.60x = 211,364,735,726,660,416
  5. Step 5: Solve for x
    x = 211,364,735,726,660,416/502,823,439.60
  6. Step 6: Final answer
    x = 420,355,773.18

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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.