Home / 586,398,989.43-809,240,308.70-322,105,404.87

Finding the Fourth Proportional to 586,398,989.43, 809,240,308.70 and 322,105,404.87

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Solution

The fourth proportional to 586,398,989.43, 809,240,308.70 and 322,105,404.87 is: 444,510,788.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,398,989.43 : 809,240,308.70 = 322,105,404.87 : x
  2. Step 2: Convert to fraction form
    586,398,989.43/809,240,308.70 = 322,105,404.87/x
  3. Step 3: Cross multiply
    586,398,989.43x = 809,240,308.70 × 322,105,404.87
  4. Step 4: Simplify right side
    586,398,989.43x = 260,660,677,269,326,784
  5. Step 5: Solve for x
    x = 260,660,677,269,326,784/586,398,989.43
  6. Step 6: Final answer
    x = 444,510,788.67

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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.