Home / 492,656,758.47-679,838,665.16-269,637,985.68

Finding the Fourth Proportional to 492,656,758.47, 679,838,665.16 and 269,637,985.68

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Solution

The fourth proportional to 492,656,758.47, 679,838,665.16 and 269,637,985.68 is: 372,085,280.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,656,758.47 : 679,838,665.16 = 269,637,985.68 : x
  2. Step 2: Convert to fraction form
    492,656,758.47/679,838,665.16 = 269,637,985.68/x
  3. Step 3: Cross multiply
    492,656,758.47x = 679,838,665.16 × 269,637,985.68
  4. Step 4: Simplify right side
    492,656,758.47x = 183,310,328,259,774,208
  5. Step 5: Solve for x
    x = 183,310,328,259,774,208/492,656,758.47
  6. Step 6: Final answer
    x = 372,085,280.69

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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.