Home / 492,656,759.47-679,838,666.53-269,637,986.68

Finding the Fourth Proportional to 492,656,759.47, 679,838,666.53 and 269,637,986.68

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Solution

The fourth proportional to 492,656,759.47, 679,838,666.53 and 269,637,986.68 is: 372,085,282.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,656,759.47 : 679,838,666.53 = 269,637,986.68 : x
  2. Step 2: Convert to fraction form
    492,656,759.47/679,838,666.53 = 269,637,986.68/x
  3. Step 3: Cross multiply
    492,656,759.47x = 679,838,666.53 × 269,637,986.68
  4. Step 4: Simplify right side
    492,656,759.47x = 183,310,329,310,365,088
  5. Step 5: Solve for x
    x = 183,310,329,310,365,088/492,656,759.47
  6. Step 6: Final answer
    x = 372,085,282.07

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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.