Home / 12,998,757,814.19-19,484,528,144.46-5,439,873,332.02

Finding the Fourth Proportional to 12,998,757,814.19, 19,484,528,144.46 and 5,439,873,332.02

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Solution

The fourth proportional to 12,998,757,814.19, 19,484,528,144.46 and 5,439,873,332.02 is: 8,154,114,920.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,998,757,814.19 : 19,484,528,144.46 = 5,439,873,332.02 : x
  2. Step 2: Convert to fraction form
    12,998,757,814.19/19,484,528,144.46 = 5,439,873,332.02/x
  3. Step 3: Cross multiply
    12,998,757,814.19x = 19,484,528,144.46 × 5,439,873,332.02
  4. Step 4: Simplify right side
    12,998,757,814.19x = 105,993,365,040,062,611,456
  5. Step 5: Solve for x
    x = 105,993,365,040,062,611,456/12,998,757,814.19
  6. Step 6: Final answer
    x = 8,154,114,920.45

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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.