Home / 765,232,473.25-1,148,030,848.70-247,662,914.41

Finding the Fourth Proportional to 765,232,473.25, 1,148,030,848.70 and 247,662,914.41

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Solution

The fourth proportional to 765,232,473.25, 1,148,030,848.70 and 247,662,914.41 is: 371,553,319.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,232,473.25 : 1,148,030,848.70 = 247,662,914.41 : x
  2. Step 2: Convert to fraction form
    765,232,473.25/1,148,030,848.70 = 247,662,914.41/x
  3. Step 3: Cross multiply
    765,232,473.25x = 1,148,030,848.70 × 247,662,914.41
  4. Step 4: Simplify right side
    765,232,473.25x = 284,324,665,814,649,280
  5. Step 5: Solve for x
    x = 284,324,665,814,649,280/765,232,473.25
  6. Step 6: Final answer
    x = 371,553,319.75

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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.