Home / 1,092,980,009.34-1,639,474,793.88-345,999,428.74

Finding the Fourth Proportional to 1,092,980,009.34, 1,639,474,793.88 and 345,999,428.74

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Solution

The fourth proportional to 1,092,980,009.34, 1,639,474,793.88 and 345,999,428.74 is: 519,000,656.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,092,980,009.34 : 1,639,474,793.88 = 345,999,428.74 : x
  2. Step 2: Convert to fraction form
    1,092,980,009.34/1,639,474,793.88 = 345,999,428.74/x
  3. Step 3: Cross multiply
    1,092,980,009.34x = 1,639,474,793.88 × 345,999,428.74
  4. Step 4: Simplify right side
    1,092,980,009.34x = 567,257,342,116,878,400
  5. Step 5: Solve for x
    x = 567,257,342,116,878,400/1,092,980,009.34
  6. Step 6: Final answer
    x = 519,000,656.25

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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.