Home / 335,514,400.80-502,696,857.60-266,639,647.20

Finding the Fourth Proportional to 335,514,400.80, 502,696,857.60 and 266,639,647.20

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Solution

The fourth proportional to 335,514,400.80, 502,696,857.60 and 266,639,647.20 is: 399,502,711.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,514,400.80 : 502,696,857.60 = 266,639,647.20 : x
  2. Step 2: Convert to fraction form
    335,514,400.80/502,696,857.60 = 266,639,647.20/x
  3. Step 3: Cross multiply
    335,514,400.80x = 502,696,857.60 × 266,639,647.20
  4. Step 4: Simplify right side
    335,514,400.80x = 134,038,912,759,012,640
  5. Step 5: Solve for x
    x = 134,038,912,759,012,640/335,514,400.80
  6. Step 6: Final answer
    x = 399,502,711.18

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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.