Home / 1,172,219,625.73-1,757,956,125.85-385,090,569.46

Finding the Fourth Proportional to 1,172,219,625.73, 1,757,956,125.85 and 385,090,569.46

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Solution

The fourth proportional to 1,172,219,625.73, 1,757,956,125.85 and 385,090,569.46 is: 577,513,215.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,172,219,625.73 : 1,757,956,125.85 = 385,090,569.46 : x
  2. Step 2: Convert to fraction form
    1,172,219,625.73/1,757,956,125.85 = 385,090,569.46/x
  3. Step 3: Cross multiply
    1,172,219,625.73x = 1,757,956,125.85 × 385,090,569.46
  4. Step 4: Simplify right side
    1,172,219,625.73x = 676,972,325,590,524,288
  5. Step 5: Solve for x
    x = 676,972,325,590,524,288/1,172,219,625.73
  6. Step 6: Final answer
    x = 577,513,215.72

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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.