Home / 826,046,632.40-1,236,200,167.20-757,171,878.80

Finding the Fourth Proportional to 826,046,632.40, 1,236,200,167.20 and 757,171,878.80

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Solution

The fourth proportional to 826,046,632.40, 1,236,200,167.20 and 757,171,878.80 is: 1,133,127,315.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,046,632.40 : 1,236,200,167.20 = 757,171,878.80 : x
  2. Step 2: Convert to fraction form
    826,046,632.40/1,236,200,167.20 = 757,171,878.80/x
  3. Step 3: Cross multiply
    826,046,632.40x = 1,236,200,167.20 × 757,171,878.80
  4. Step 4: Simplify right side
    826,046,632.40x = 936,016,003,171,698,176
  5. Step 5: Solve for x
    x = 936,016,003,171,698,176/826,046,632.40
  6. Step 6: Final answer
    x = 1,133,127,315.65

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1.5x scale

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.