Home / 826,778,086.20-1,240,167,129.30-775,759,750.20

Finding the Fourth Proportional to 826,778,086.20, 1,240,167,129.30 and 775,759,750.20

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Solution

The fourth proportional to 826,778,086.20, 1,240,167,129.30 and 775,759,750.20 is: 1,163,639,625.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,778,086.20 : 1,240,167,129.30 = 775,759,750.20 : x
  2. Step 2: Convert to fraction form
    826,778,086.20/1,240,167,129.30 = 775,759,750.20/x
  3. Step 3: Cross multiply
    826,778,086.20x = 1,240,167,129.30 × 775,759,750.20
  4. Step 4: Simplify right side
    826,778,086.20x = 962,071,742,432,019,072
  5. Step 5: Solve for x
    x = 962,071,742,432,019,072/826,778,086.20
  6. Step 6: Final answer
    x = 1,163,639,625.30

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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.