Home / 2,509,479,271.55-3,763,420,296.10-828,451,762.31

Finding the Fourth Proportional to 2,509,479,271.55, 3,763,420,296.10 and 828,451,762.31

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Solution

The fourth proportional to 2,509,479,271.55, 3,763,420,296.10 and 828,451,762.31 is: 1,242,413,998.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,509,479,271.55 : 3,763,420,296.10 = 828,451,762.31 : x
  2. Step 2: Convert to fraction form
    2,509,479,271.55/3,763,420,296.10 = 828,451,762.31/x
  3. Step 3: Cross multiply
    2,509,479,271.55x = 3,763,420,296.10 × 828,451,762.31
  4. Step 4: Simplify right side
    2,509,479,271.55x = 3,117,812,176,624,604,160
  5. Step 5: Solve for x
    x = 3,117,812,176,624,604,160/2,509,479,271.55
  6. Step 6: Final answer
    x = 1,242,413,998.78

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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.