Home / 710,838,899.21-1,066,371,944.30-219,436,664.15

Finding the Fourth Proportional to 710,838,899.21, 1,066,371,944.30 and 219,436,664.15

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Solution

The fourth proportional to 710,838,899.21, 1,066,371,944.30 and 219,436,664.15 is: 329,190,063.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,838,899.21 : 1,066,371,944.30 = 219,436,664.15 : x
  2. Step 2: Convert to fraction form
    710,838,899.21/1,066,371,944.30 = 219,436,664.15/x
  3. Step 3: Cross multiply
    710,838,899.21x = 1,066,371,944.30 × 219,436,664.15
  4. Step 4: Simplify right side
    710,838,899.21x = 234,001,102,193,912,576
  5. Step 5: Solve for x
    x = 234,001,102,193,912,576/710,838,899.21
  6. Step 6: Final answer
    x = 329,190,063.26

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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.