Home / 8,905,851,191.88-12,294,258,973.21-5,145,934,460.40

Finding the Fourth Proportional to 8,905,851,191.88, 12,294,258,973.21 and 5,145,934,460.40

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Solution

The fourth proportional to 8,905,851,191.88, 12,294,258,973.21 and 5,145,934,460.40 is: 7,103,807,323.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,905,851,191.88 : 12,294,258,973.21 = 5,145,934,460.40 : x
  2. Step 2: Convert to fraction form
    8,905,851,191.88/12,294,258,973.21 = 5,145,934,460.40/x
  3. Step 3: Cross multiply
    8,905,851,191.88x = 12,294,258,973.21 × 5,145,934,460.40
  4. Step 4: Simplify right side
    8,905,851,191.88x = 63,265,450,915,261,792,256
  5. Step 5: Solve for x
    x = 63,265,450,915,261,792,256/8,905,851,191.88
  6. Step 6: Final answer
    x = 7,103,807,323.10

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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.