Home / 8,905,851,190.63-12,294,258,971.49-5,145,934,459.15

Finding the Fourth Proportional to 8,905,851,190.63, 12,294,258,971.49 and 5,145,934,459.15

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Solution

The fourth proportional to 8,905,851,190.63, 12,294,258,971.49 and 5,145,934,459.15 is: 7,103,807,321.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,905,851,190.63 : 12,294,258,971.49 = 5,145,934,459.15 : x
  2. Step 2: Convert to fraction form
    8,905,851,190.63/12,294,258,971.49 = 5,145,934,459.15/x
  3. Step 3: Cross multiply
    8,905,851,190.63x = 12,294,258,971.49 × 5,145,934,459.15
  4. Step 4: Simplify right side
    8,905,851,190.63x = 63,265,450,891,017,232,384
  5. Step 5: Solve for x
    x = 63,265,450,891,017,232,384/8,905,851,190.63
  6. Step 6: Final answer
    x = 7,103,807,321.37

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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.