Home / 8,905,851,192.88-12,294,258,974.59-5,145,934,461.40

Finding the Fourth Proportional to 8,905,851,192.88, 12,294,258,974.59 and 5,145,934,461.40

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Solution

The fourth proportional to 8,905,851,192.88, 12,294,258,974.59 and 5,145,934,461.40 is: 7,103,807,324.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,905,851,192.88 : 12,294,258,974.59 = 5,145,934,461.40 : x
  2. Step 2: Convert to fraction form
    8,905,851,192.88/12,294,258,974.59 = 5,145,934,461.40/x
  3. Step 3: Cross multiply
    8,905,851,192.88x = 12,294,258,974.59 × 5,145,934,461.40
  4. Step 4: Simplify right side
    8,905,851,192.88x = 63,265,450,934,718,906,368
  5. Step 5: Solve for x
    x = 63,265,450,934,718,906,368/8,905,851,192.88
  6. Step 6: Final answer
    x = 7,103,807,324.48

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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.