Home / 421,604,047.36-581,831,766.78-233,432,344.83

Finding the Fourth Proportional to 421,604,047.36, 581,831,766.78 and 233,432,344.83

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Solution

The fourth proportional to 421,604,047.36, 581,831,766.78 and 233,432,344.83 is: 322,146,702.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,604,047.36 : 581,831,766.78 = 233,432,344.83 : x
  2. Step 2: Convert to fraction form
    421,604,047.36/581,831,766.78 = 233,432,344.83/x
  3. Step 3: Cross multiply
    421,604,047.36x = 581,831,766.78 × 233,432,344.83
  4. Step 4: Simplify right side
    421,604,047.36x = 135,818,353,613,752,992
  5. Step 5: Solve for x
    x = 135,818,353,613,752,992/421,604,047.36
  6. Step 6: Final answer
    x = 322,146,702.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.