Home / 1,519,072,628.94-2,278,596,142.98-1,187,358,656.31

Finding the Fourth Proportional to 1,519,072,628.94, 2,278,596,142.98 and 1,187,358,656.31

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Solution

The fourth proportional to 1,519,072,628.94, 2,278,596,142.98 and 1,187,358,656.31 is: 1,781,027,979.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,519,072,628.94 : 2,278,596,142.98 = 1,187,358,656.31 : x
  2. Step 2: Convert to fraction form
    1,519,072,628.94/2,278,596,142.98 = 1,187,358,656.31/x
  3. Step 3: Cross multiply
    1,519,072,628.94x = 2,278,596,142.98 × 1,187,358,656.31
  4. Step 4: Simplify right side
    1,519,072,628.94x = 2,705,510,854,601,881,088
  5. Step 5: Solve for x
    x = 2,705,510,854,601,881,088/1,519,072,628.94
  6. Step 6: Final answer
    x = 1,781,027,979.22

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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.