Home / 9,186,310,320.80-13,779,465,481.20-2,643,208,728.80

Finding the Fourth Proportional to 9,186,310,320.80, 13,779,465,481.20 and 2,643,208,728.80

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Solution

The fourth proportional to 9,186,310,320.80, 13,779,465,481.20 and 2,643,208,728.80 is: 3,964,813,093.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,186,310,320.80 : 13,779,465,481.20 = 2,643,208,728.80 : x
  2. Step 2: Convert to fraction form
    9,186,310,320.80/13,779,465,481.20 = 2,643,208,728.80/x
  3. Step 3: Cross multiply
    9,186,310,320.80x = 13,779,465,481.20 × 2,643,208,728.80
  4. Step 4: Simplify right side
    9,186,310,320.80x = 36,422,003,438,106,136,576
  5. Step 5: Solve for x
    x = 36,422,003,438,106,136,576/9,186,310,320.80
  6. Step 6: Final answer
    x = 3,964,813,093.20

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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.