Home / 29,086,953,205.12-40,139,977,292.62-15,720,946,334.62

Finding the Fourth Proportional to 29,086,953,205.12, 40,139,977,292.62 and 15,720,946,334.62

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Solution

The fourth proportional to 29,086,953,205.12, 40,139,977,292.62 and 15,720,946,334.62 is: 21,694,896,142.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,086,953,205.12 : 40,139,977,292.62 = 15,720,946,334.62 : x
  2. Step 2: Convert to fraction form
    29,086,953,205.12/40,139,977,292.62 = 15,720,946,334.62/x
  3. Step 3: Cross multiply
    29,086,953,205.12x = 40,139,977,292.62 × 15,720,946,334.62
  4. Step 4: Simplify right side
    29,086,953,205.12x = 631,038,428,890,032,635,904
  5. Step 5: Solve for x
    x = 631,038,428,890,032,635,904/29,086,953,205.12
  6. Step 6: Final answer
    x = 21,694,896,142.61

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1.5x scale

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.