Home / 756,478,405.73-1,133,650,945.67-357,210,960.41

Finding the Fourth Proportional to 756,478,405.73, 1,133,650,945.67 and 357,210,960.41

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Solution

The fourth proportional to 756,478,405.73, 1,133,650,945.67 and 357,210,960.41 is: 535,312,759.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,478,405.73 : 1,133,650,945.67 = 357,210,960.41 : x
  2. Step 2: Convert to fraction form
    756,478,405.73/1,133,650,945.67 = 357,210,960.41/x
  3. Step 3: Cross multiply
    756,478,405.73x = 1,133,650,945.67 × 357,210,960.41
  4. Step 4: Simplify right side
    756,478,405.73x = 404,952,543,067,710,144
  5. Step 5: Solve for x
    x = 404,952,543,067,710,144/756,478,405.73
  6. Step 6: Final answer
    x = 535,312,759.76

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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.