Home / 502,056,671.04-692,855,966.88-279,042,799.68

Finding the Fourth Proportional to 502,056,671.04, 692,855,966.88 and 279,042,799.68

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Solution

The fourth proportional to 502,056,671.04, 692,855,966.88 and 279,042,799.68 is: 385,088,935.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,056,671.04 : 692,855,966.88 = 279,042,799.68 : x
  2. Step 2: Convert to fraction form
    502,056,671.04/692,855,966.88 = 279,042,799.68/x
  3. Step 3: Cross multiply
    502,056,671.04x = 692,855,966.88 × 279,042,799.68
  4. Step 4: Simplify right side
    502,056,671.04x = 193,336,468,773,188,544
  5. Step 5: Solve for x
    x = 193,336,468,773,188,544/502,056,671.04
  6. Step 6: Final answer
    x = 385,088,935.03

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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.