Home / 20,771,030,228.40-31,156,784,687.90-7,507,295,832.24

Finding the Fourth Proportional to 20,771,030,228.40, 31,156,784,687.90 and 7,507,295,832.24

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Solution

The fourth proportional to 20,771,030,228.40, 31,156,784,687.90 and 7,507,295,832.24 is: 11,261,030,255.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,771,030,228.40 : 31,156,784,687.90 = 7,507,295,832.24 : x
  2. Step 2: Convert to fraction form
    20,771,030,228.40/31,156,784,687.90 = 7,507,295,832.24/x
  3. Step 3: Cross multiply
    20,771,030,228.40x = 31,156,784,687.90 × 7,507,295,832.24
  4. Step 4: Simplify right side
    20,771,030,228.40x = 233,903,199,833,470,730,240
  5. Step 5: Solve for x
    x = 233,903,199,833,470,730,240/20,771,030,228.40
  6. Step 6: Final answer
    x = 11,261,030,255.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.