Home / 939,810,662.18-1,296,862,788.40-543,359,200.58

Finding the Fourth Proportional to 939,810,662.18, 1,296,862,788.40 and 543,359,200.58

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Solution

The fourth proportional to 939,810,662.18, 1,296,862,788.40 and 543,359,200.58 is: 749,791,799.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,810,662.18 : 1,296,862,788.40 = 543,359,200.58 : x
  2. Step 2: Convert to fraction form
    939,810,662.18/1,296,862,788.40 = 543,359,200.58/x
  3. Step 3: Cross multiply
    939,810,662.18x = 1,296,862,788.40 × 543,359,200.58
  4. Step 4: Simplify right side
    939,810,662.18x = 704,662,327,966,973,824
  5. Step 5: Solve for x
    x = 704,662,327,966,973,824/939,810,662.18
  6. Step 6: Final answer
    x = 749,791,799.91

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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.