Home / 266,424,007.20-399,636,010.80-254,944,881.60

Finding the Fourth Proportional to 266,424,007.20, 399,636,010.80 and 254,944,881.60

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Solution

The fourth proportional to 266,424,007.20, 399,636,010.80 and 254,944,881.60 is: 382,417,322.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,424,007.20 : 399,636,010.80 = 254,944,881.60 : x
  2. Step 2: Convert to fraction form
    266,424,007.20/399,636,010.80 = 254,944,881.60/x
  3. Step 3: Cross multiply
    266,424,007.20x = 399,636,010.80 × 254,944,881.60
  4. Step 4: Simplify right side
    266,424,007.20x = 101,885,155,456,502,320
  5. Step 5: Solve for x
    x = 101,885,155,456,502,320/266,424,007.20
  6. Step 6: Final answer
    x = 382,417,322.40

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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.