Home / 21,317,260,459.88-31,980,794,611.14-7,154,105,666.04

Finding the Fourth Proportional to 21,317,260,459.88, 31,980,794,611.14 and 7,154,105,666.04

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Solution

The fourth proportional to 21,317,260,459.88, 31,980,794,611.14 and 7,154,105,666.04 is: 10,732,804,262.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,317,260,459.88 : 31,980,794,611.14 = 7,154,105,666.04 : x
  2. Step 2: Convert to fraction form
    21,317,260,459.88/31,980,794,611.14 = 7,154,105,666.04/x
  3. Step 3: Cross multiply
    21,317,260,459.88x = 31,980,794,611.14 × 7,154,105,666.04
  4. Step 4: Simplify right side
    21,317,260,459.88x = 228,793,983,932,018,163,712
  5. Step 5: Solve for x
    x = 228,793,983,932,018,163,712/21,317,260,459.88
  6. Step 6: Final answer
    x = 10,732,804,262.66

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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.