Home / 8,740,291,295.40-13,110,436,943.10-7,821,961,247.40

Finding the Fourth Proportional to 8,740,291,295.40, 13,110,436,943.10 and 7,821,961,247.40

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Solution

The fourth proportional to 8,740,291,295.40, 13,110,436,943.10 and 7,821,961,247.40 is: 11,732,941,871.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,740,291,295.40 : 13,110,436,943.10 = 7,821,961,247.40 : x
  2. Step 2: Convert to fraction form
    8,740,291,295.40/13,110,436,943.10 = 7,821,961,247.40/x
  3. Step 3: Cross multiply
    8,740,291,295.40x = 13,110,436,943.10 × 7,821,961,247.40
  4. Step 4: Simplify right side
    8,740,291,295.40x = 102,549,329,705,409,511,424
  5. Step 5: Solve for x
    x = 102,549,329,705,409,511,424/8,740,291,295.40
  6. Step 6: Final answer
    x = 11,732,941,871.10

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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.