Home / 1,068,606,730.20-1,602,343,224.90-378,536,496.60

Finding the Fourth Proportional to 1,068,606,730.20, 1,602,343,224.90 and 378,536,496.60

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Solution

The fourth proportional to 1,068,606,730.20, 1,602,343,224.90 and 378,536,496.60 is: 567,603,940.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,068,606,730.20 : 1,602,343,224.90 = 378,536,496.60 : x
  2. Step 2: Convert to fraction form
    1,068,606,730.20/1,602,343,224.90 = 378,536,496.60/x
  3. Step 3: Cross multiply
    1,068,606,730.20x = 1,602,343,224.90 × 378,536,496.60
  4. Step 4: Simplify right side
    1,068,606,730.20x = 606,545,390,704,391,936
  5. Step 5: Solve for x
    x = 606,545,390,704,391,936/1,068,606,730.20
  6. Step 6: Final answer
    x = 567,603,940.31

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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.