Home / 29,086,953,147.23-40,139,977,212.72-15,720,946,276.73

Finding the Fourth Proportional to 29,086,953,147.23, 40,139,977,212.72 and 15,720,946,276.73

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Solution

The fourth proportional to 29,086,953,147.23, 40,139,977,212.72 and 15,720,946,276.73 is: 21,694,896,062.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,086,953,147.23 : 40,139,977,212.72 = 15,720,946,276.73 : x
  2. Step 2: Convert to fraction form
    29,086,953,147.23/40,139,977,212.72 = 15,720,946,276.73/x
  3. Step 3: Cross multiply
    29,086,953,147.23x = 40,139,977,212.72 × 15,720,946,276.73
  4. Step 4: Simplify right side
    29,086,953,147.23x = 631,038,425,310,136,893,440
  5. Step 5: Solve for x
    x = 631,038,425,310,136,893,440/29,086,953,147.23
  6. Step 6: Final answer
    x = 21,694,896,062.72

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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.