Home / 1,861,890,609.54-2,793,516,928.47-866,386,423.56

Finding the Fourth Proportional to 1,861,890,609.54, 2,793,516,928.47 and 866,386,423.56

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Solution

The fourth proportional to 1,861,890,609.54, 2,793,516,928.47 and 866,386,423.56 is: 1,299,896,529.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,861,890,609.54 : 2,793,516,928.47 = 866,386,423.56 : x
  2. Step 2: Convert to fraction form
    1,861,890,609.54/2,793,516,928.47 = 866,386,423.56/x
  3. Step 3: Cross multiply
    1,861,890,609.54x = 2,793,516,928.47 × 866,386,423.56
  4. Step 4: Simplify right side
    1,861,890,609.54x = 2,420,265,140,811,439,104
  5. Step 5: Solve for x
    x = 2,420,265,140,811,439,104/1,861,890,609.54
  6. Step 6: Final answer
    x = 1,299,896,529.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.