Home / 8,905,851,189-12,294,258,969.24-5,145,934,457.52

Finding the Fourth Proportional to 8,905,851,189, 12,294,258,969.24 and 5,145,934,457.52

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Solution

The fourth proportional to 8,905,851,189, 12,294,258,969.24 and 5,145,934,457.52 is: 7,103,807,319.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,905,851,189 : 12,294,258,969.24 = 5,145,934,457.52 : x
  2. Step 2: Convert to fraction form
    8,905,851,189/12,294,258,969.24 = 5,145,934,457.52/x
  3. Step 3: Cross multiply
    8,905,851,189x = 12,294,258,969.24 × 5,145,934,457.52
  4. Step 4: Simplify right side
    8,905,851,189x = 63,265,450,859,486,437,376
  5. Step 5: Solve for x
    x = 63,265,450,859,486,437,376/8,905,851,189
  6. Step 6: Final answer
    x = 7,103,807,319.13

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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.