Home / 486,063,409-670,773,802.98-266,042,111.08

Finding the Fourth Proportional to 486,063,409, 670,773,802.98 and 266,042,111.08

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Solution

The fourth proportional to 486,063,409, 670,773,802.98 and 266,042,111.08 is: 367,141,560.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,063,409 : 670,773,802.98 = 266,042,111.08 : x
  2. Step 2: Convert to fraction form
    486,063,409/670,773,802.98 = 266,042,111.08/x
  3. Step 3: Cross multiply
    486,063,409x = 670,773,802.98 × 266,042,111.08
  4. Step 4: Simplify right side
    486,063,409x = 178,454,078,601,959,200
  5. Step 5: Solve for x
    x = 178,454,078,601,959,200/486,063,409
  6. Step 6: Final answer
    x = 367,141,560.75

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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.