Home / 294,759,153.80-442,138,730.70-266,061,339.80

Finding the Fourth Proportional to 294,759,153.80, 442,138,730.70 and 266,061,339.80

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Solution

The fourth proportional to 294,759,153.80, 442,138,730.70 and 266,061,339.80 is: 399,092,009.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,759,153.80 : 442,138,730.70 = 266,061,339.80 : x
  2. Step 2: Convert to fraction form
    294,759,153.80/442,138,730.70 = 266,061,339.80/x
  3. Step 3: Cross multiply
    294,759,153.80x = 442,138,730.70 × 266,061,339.80
  4. Step 4: Simplify right side
    294,759,153.80x = 117,636,023,067,513,392
  5. Step 5: Solve for x
    x = 117,636,023,067,513,392/294,759,153.80
  6. Step 6: Final answer
    x = 399,092,009.70

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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.