Home / 21,931,090,393.40-32,915,447,289.30-8,854,272,063.80

Finding the Fourth Proportional to 21,931,090,393.40, 32,915,447,289.30 and 8,854,272,063.80

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Solution

The fourth proportional to 21,931,090,393.40, 32,915,447,289.30 and 8,854,272,063.80 is: 13,289,002,971.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,931,090,393.40 : 32,915,447,289.30 = 8,854,272,063.80 : x
  2. Step 2: Convert to fraction form
    21,931,090,393.40/32,915,447,289.30 = 8,854,272,063.80/x
  3. Step 3: Cross multiply
    21,931,090,393.40x = 32,915,447,289.30 × 8,854,272,063.80
  4. Step 4: Simplify right side
    21,931,090,393.40x = 291,442,325,401,130,401,792
  5. Step 5: Solve for x
    x = 291,442,325,401,130,401,792/21,931,090,393.40
  6. Step 6: Final answer
    x = 13,289,002,971.27

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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.