Home / 8,905,851,190.50-12,294,258,971.31-5,145,934,459.02

Finding the Fourth Proportional to 8,905,851,190.50, 12,294,258,971.31 and 5,145,934,459.02

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Solution

The fourth proportional to 8,905,851,190.50, 12,294,258,971.31 and 5,145,934,459.02 is: 7,103,807,321.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,905,851,190.50 : 12,294,258,971.31 = 5,145,934,459.02 : x
  2. Step 2: Convert to fraction form
    8,905,851,190.50/12,294,258,971.31 = 5,145,934,459.02/x
  3. Step 3: Cross multiply
    8,905,851,190.50x = 12,294,258,971.31 × 5,145,934,459.02
  4. Step 4: Simplify right side
    8,905,851,190.50x = 63,265,450,888,579,907,584
  5. Step 5: Solve for x
    x = 63,265,450,888,579,907,584/8,905,851,190.50
  6. Step 6: Final answer
    x = 7,103,807,321.20

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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.