Home / 12,998,757,872.96-19,484,528,232.36-5,439,873,390.56

Finding the Fourth Proportional to 12,998,757,872.96, 19,484,528,232.36 and 5,439,873,390.56

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Solution

The fourth proportional to 12,998,757,872.96, 19,484,528,232.36 and 5,439,873,390.56 is: 8,154,115,008.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,998,757,872.96 : 19,484,528,232.36 = 5,439,873,390.56 : x
  2. Step 2: Convert to fraction form
    12,998,757,872.96/19,484,528,232.36 = 5,439,873,390.56/x
  3. Step 3: Cross multiply
    12,998,757,872.96x = 19,484,528,232.36 × 5,439,873,390.56
  4. Step 4: Simplify right side
    12,998,757,872.96x = 105,993,366,658,830,254,080
  5. Step 5: Solve for x
    x = 105,993,366,658,830,254,080/12,998,757,872.96
  6. Step 6: Final answer
    x = 8,154,115,008.12

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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.