Home / 3,158,913,084.12-4,359,246,456.78-1,749,186,779.64

Finding the Fourth Proportional to 3,158,913,084.12, 4,359,246,456.78 and 1,749,186,779.64

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Solution

The fourth proportional to 3,158,913,084.12, 4,359,246,456.78 and 1,749,186,779.64 is: 2,413,848,076.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,158,913,084.12 : 4,359,246,456.78 = 1,749,186,779.64 : x
  2. Step 2: Convert to fraction form
    3,158,913,084.12/4,359,246,456.78 = 1,749,186,779.64/x
  3. Step 3: Cross multiply
    3,158,913,084.12x = 4,359,246,456.78 × 1,749,186,779.64
  4. Step 4: Simplify right side
    3,158,913,084.12x = 7,625,136,271,392,089,088
  5. Step 5: Solve for x
    x = 7,625,136,271,392,089,088/3,158,913,084.12
  6. Step 6: Final answer
    x = 2,413,848,076.33

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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.