Home / 1,026,432,405.80-1,539,648,608.70-922,520,162.60

Finding the Fourth Proportional to 1,026,432,405.80, 1,539,648,608.70 and 922,520,162.60

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Solution

The fourth proportional to 1,026,432,405.80, 1,539,648,608.70 and 922,520,162.60 is: 1,383,780,243.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,026,432,405.80 : 1,539,648,608.70 = 922,520,162.60 : x
  2. Step 2: Convert to fraction form
    1,026,432,405.80/1,539,648,608.70 = 922,520,162.60/x
  3. Step 3: Cross multiply
    1,026,432,405.80x = 1,539,648,608.70 × 922,520,162.60
  4. Step 4: Simplify right side
    1,026,432,405.80x = 1,420,356,884,844,787,968
  5. Step 5: Solve for x
    x = 1,420,356,884,844,787,968/1,026,432,405.80
  6. Step 6: Final answer
    x = 1,383,780,243.90

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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.