Home / 5,405,532,338.34-8,105,342,663.88-4,292,207,655.30

Finding the Fourth Proportional to 5,405,532,338.34, 8,105,342,663.88 and 4,292,207,655.30

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Solution

The fourth proportional to 5,405,532,338.34, 8,105,342,663.88 and 4,292,207,655.30 is: 6,435,964,425.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,405,532,338.34 : 8,105,342,663.88 = 4,292,207,655.30 : x
  2. Step 2: Convert to fraction form
    5,405,532,338.34/8,105,342,663.88 = 4,292,207,655.30/x
  3. Step 3: Cross multiply
    5,405,532,338.34x = 8,105,342,663.88 × 4,292,207,655.30
  4. Step 4: Simplify right side
    5,405,532,338.34x = 34,789,813,830,735,433,728
  5. Step 5: Solve for x
    x = 34,789,813,830,735,433,728/5,405,532,338.34
  6. Step 6: Final answer
    x = 6,435,964,425.55

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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.