Home / 21,730,032,311.40-32,595,048,467.10-20,872,924,266.60

Finding the Fourth Proportional to 21,730,032,311.40, 32,595,048,467.10 and 20,872,924,266.60

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Solution

The fourth proportional to 21,730,032,311.40, 32,595,048,467.10 and 20,872,924,266.60 is: 31,309,386,399.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,730,032,311.40 : 32,595,048,467.10 = 20,872,924,266.60 : x
  2. Step 2: Convert to fraction form
    21,730,032,311.40/32,595,048,467.10 = 20,872,924,266.60/x
  3. Step 3: Cross multiply
    21,730,032,311.40x = 32,595,048,467.10 × 20,872,924,266.60
  4. Step 4: Simplify right side
    21,730,032,311.40x = 680,353,978,119,934,705,664
  5. Step 5: Solve for x
    x = 680,353,978,119,934,705,664/21,730,032,311.40
  6. Step 6: Final answer
    x = 31,309,386,399.90

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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.