Home / 10,431,390,168.80-15,647,841,080.40-6,281,898,840.80

Finding the Fourth Proportional to 10,431,390,168.80, 15,647,841,080.40 and 6,281,898,840.80

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Solution

The fourth proportional to 10,431,390,168.80, 15,647,841,080.40 and 6,281,898,840.80 is: 9,423,303,428.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,431,390,168.80 : 15,647,841,080.40 = 6,281,898,840.80 : x
  2. Step 2: Convert to fraction form
    10,431,390,168.80/15,647,841,080.40 = 6,281,898,840.80/x
  3. Step 3: Cross multiply
    10,431,390,168.80x = 15,647,841,080.40 × 6,281,898,840.80
  4. Step 4: Simplify right side
    10,431,390,168.80x = 98,298,154,743,987,372,032
  5. Step 5: Solve for x
    x = 98,298,154,743,987,372,032/10,431,390,168.80
  6. Step 6: Final answer
    x = 9,423,303,428.72

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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.