Home / 8,905,851,192.38-12,294,258,973.90-5,145,934,460.90

Finding the Fourth Proportional to 8,905,851,192.38, 12,294,258,973.90 and 5,145,934,460.90

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Solution

The fourth proportional to 8,905,851,192.38, 12,294,258,973.90 and 5,145,934,460.90 is: 7,103,807,323.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,905,851,192.38 : 12,294,258,973.90 = 5,145,934,460.90 : x
  2. Step 2: Convert to fraction form
    8,905,851,192.38/12,294,258,973.90 = 5,145,934,460.90/x
  3. Step 3: Cross multiply
    8,905,851,192.38x = 12,294,258,973.90 × 5,145,934,460.90
  4. Step 4: Simplify right side
    8,905,851,192.38x = 63,265,450,925,021,077,504
  5. Step 5: Solve for x
    x = 63,265,450,925,021,077,504/8,905,851,192.38
  6. Step 6: Final answer
    x = 7,103,807,323.79

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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.