Home / 896,840,998.40-1,345,261,497.60-819,356,900.60

Finding the Fourth Proportional to 896,840,998.40, 1,345,261,497.60 and 819,356,900.60

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Solution

The fourth proportional to 896,840,998.40, 1,345,261,497.60 and 819,356,900.60 is: 1,229,035,350.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,840,998.40 : 1,345,261,497.60 = 819,356,900.60 : x
  2. Step 2: Convert to fraction form
    896,840,998.40/1,345,261,497.60 = 819,356,900.60/x
  3. Step 3: Cross multiply
    896,840,998.40x = 1,345,261,497.60 × 819,356,900.60
  4. Step 4: Simplify right side
    896,840,998.40x = 1,102,249,291,170,050,304
  5. Step 5: Solve for x
    x = 1,102,249,291,170,050,304/896,840,998.40
  6. Step 6: Final answer
    x = 1,229,035,350.90

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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.