Home / 347,736,603.80-521,604,905.70-343,201,640.60

Finding the Fourth Proportional to 347,736,603.80, 521,604,905.70 and 343,201,640.60

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Solution

The fourth proportional to 347,736,603.80, 521,604,905.70 and 343,201,640.60 is: 514,802,460.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,736,603.80 : 521,604,905.70 = 343,201,640.60 : x
  2. Step 2: Convert to fraction form
    347,736,603.80/521,604,905.70 = 343,201,640.60/x
  3. Step 3: Cross multiply
    347,736,603.80x = 521,604,905.70 × 343,201,640.60
  4. Step 4: Simplify right side
    347,736,603.80x = 179,015,659,381,248,288
  5. Step 5: Solve for x
    x = 179,015,659,381,248,288/347,736,603.80
  6. Step 6: Final answer
    x = 514,802,460.90

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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.