Home / 1,416,766,630.39-1,955,764,960.39-915,220,016.35

Finding the Fourth Proportional to 1,416,766,630.39, 1,955,764,960.39 and 915,220,016.35

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Solution

The fourth proportional to 1,416,766,630.39, 1,955,764,960.39 and 915,220,016.35 is: 1,263,408,666.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,416,766,630.39 : 1,955,764,960.39 = 915,220,016.35 : x
  2. Step 2: Convert to fraction form
    1,416,766,630.39/1,955,764,960.39 = 915,220,016.35/x
  3. Step 3: Cross multiply
    1,416,766,630.39x = 1,955,764,960.39 × 915,220,016.35
  4. Step 4: Simplify right side
    1,416,766,630.39x = 1,789,955,239,021,193,216
  5. Step 5: Solve for x
    x = 1,789,955,239,021,193,216/1,416,766,630.39
  6. Step 6: Final answer
    x = 1,263,408,666.35

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1.5x scale

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.