Home / 589,916,215.76-813,857,325-369,515,944.40

Finding the Fourth Proportional to 589,916,215.76, 813,857,325 and 369,515,944.40

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Solution

The fourth proportional to 589,916,215.76, 813,857,325 and 369,515,944.40 is: 509,789,780.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,916,215.76 : 813,857,325 = 369,515,944.40 : x
  2. Step 2: Convert to fraction form
    589,916,215.76/813,857,325 = 369,515,944.40/x
  3. Step 3: Cross multiply
    589,916,215.76x = 813,857,325 × 369,515,944.40
  4. Step 4: Simplify right side
    589,916,215.76x = 300,733,258,054,232,704
  5. Step 5: Solve for x
    x = 300,733,258,054,232,704/589,916,215.76
  6. Step 6: Final answer
    x = 509,789,780.34

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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.