Home / 20,771,030,225.40-31,156,784,683.40-7,507,295,829.24

Finding the Fourth Proportional to 20,771,030,225.40, 31,156,784,683.40 and 7,507,295,829.24

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Solution

The fourth proportional to 20,771,030,225.40, 31,156,784,683.40 and 7,507,295,829.24 is: 11,261,030,250.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,771,030,225.40 : 31,156,784,683.40 = 7,507,295,829.24 : x
  2. Step 2: Convert to fraction form
    20,771,030,225.40/31,156,784,683.40 = 7,507,295,829.24/x
  3. Step 3: Cross multiply
    20,771,030,225.40x = 31,156,784,683.40 × 7,507,295,829.24
  4. Step 4: Simplify right side
    20,771,030,225.40x = 233,903,199,706,217,545,728
  5. Step 5: Solve for x
    x = 233,903,199,706,217,545,728/20,771,030,225.40
  6. Step 6: Final answer
    x = 11,261,030,250.69

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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.