Home / 7,099,662,120.12-9,797,461,083.54-3,927,868,737.12

Finding the Fourth Proportional to 7,099,662,120.12, 9,797,461,083.54 and 3,927,868,737.12

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Solution

The fourth proportional to 7,099,662,120.12, 9,797,461,083.54 and 3,927,868,737.12 is: 5,420,418,668.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,099,662,120.12 : 9,797,461,083.54 = 3,927,868,737.12 : x
  2. Step 2: Convert to fraction form
    7,099,662,120.12/9,797,461,083.54 = 3,927,868,737.12/x
  3. Step 3: Cross multiply
    7,099,662,120.12x = 9,797,461,083.54 × 3,927,868,737.12
  4. Step 4: Simplify right side
    7,099,662,120.12x = 38,483,141,093,186,609,152
  5. Step 5: Solve for x
    x = 38,483,141,093,186,609,152/7,099,662,120.12
  6. Step 6: Final answer
    x = 5,420,418,668.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.