Home / 776,750,171.54-1,165,584,938.31-285,808,203.86

Finding the Fourth Proportional to 776,750,171.54, 1,165,584,938.31 and 285,808,203.86

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Solution

The fourth proportional to 776,750,171.54, 1,165,584,938.31 and 285,808,203.86 is: 428,881,447.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,750,171.54 : 1,165,584,938.31 = 285,808,203.86 : x
  2. Step 2: Convert to fraction form
    776,750,171.54/1,165,584,938.31 = 285,808,203.86/x
  3. Step 3: Cross multiply
    776,750,171.54x = 1,165,584,938.31 × 285,808,203.86
  4. Step 4: Simplify right side
    776,750,171.54x = 333,133,737,658,822,080
  5. Step 5: Solve for x
    x = 333,133,737,658,822,080/776,750,171.54
  6. Step 6: Final answer
    x = 428,881,447.17

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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.