Home / 1,578,136,037.12-2,178,135,772.80-951,706,453.76

Finding the Fourth Proportional to 1,578,136,037.12, 2,178,135,772.80 and 951,706,453.76

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Solution

The fourth proportional to 1,578,136,037.12, 2,178,135,772.80 and 951,706,453.76 is: 1,313,540,672.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,578,136,037.12 : 2,178,135,772.80 = 951,706,453.76 : x
  2. Step 2: Convert to fraction form
    1,578,136,037.12/2,178,135,772.80 = 951,706,453.76/x
  3. Step 3: Cross multiply
    1,578,136,037.12x = 2,178,135,772.80 × 951,706,453.76
  4. Step 4: Simplify right side
    1,578,136,037.12x = 2,072,945,872,139,285,248
  5. Step 5: Solve for x
    x = 2,072,945,872,139,285,248/1,578,136,037.12
  6. Step 6: Final answer
    x = 1,313,540,672.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.