Home / 10,621,137,855.83-15,923,852,623.60-6,423,157,388.30

Finding the Fourth Proportional to 10,621,137,855.83, 15,923,852,623.60 and 6,423,157,388.30

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Solution

The fourth proportional to 10,621,137,855.83, 15,923,852,623.60 and 6,423,157,388.30 is: 9,629,986,261.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,621,137,855.83 : 15,923,852,623.60 = 6,423,157,388.30 : x
  2. Step 2: Convert to fraction form
    10,621,137,855.83/15,923,852,623.60 = 6,423,157,388.30/x
  3. Step 3: Cross multiply
    10,621,137,855.83x = 15,923,852,623.60 × 6,423,157,388.30
  4. Step 4: Simplify right side
    10,621,137,855.83x = 102,281,411,629,377,798,144
  5. Step 5: Solve for x
    x = 102,281,411,629,377,798,144/10,621,137,855.83
  6. Step 6: Final answer
    x = 9,629,986,261.15

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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.