Home / 1,140,095,914.61-1,709,813,548.11-342,380,867.14

Finding the Fourth Proportional to 1,140,095,914.61, 1,709,813,548.11 and 342,380,867.14

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Solution

The fourth proportional to 1,140,095,914.61, 1,709,813,548.11 and 342,380,867.14 is: 513,472,101.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,140,095,914.61 : 1,709,813,548.11 = 342,380,867.14 : x
  2. Step 2: Convert to fraction form
    1,140,095,914.61/1,709,813,548.11 = 342,380,867.14/x
  3. Step 3: Cross multiply
    1,140,095,914.61x = 1,709,813,548.11 × 342,380,867.14
  4. Step 4: Simplify right side
    1,140,095,914.61x = 585,407,445,245,347,328
  5. Step 5: Solve for x
    x = 585,407,445,245,347,328/1,140,095,914.61
  6. Step 6: Final answer
    x = 513,472,101.55

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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.