Home / 31,434,542,983.48-47,128,569,140.08-19,010,111,390.32

Finding the Fourth Proportional to 31,434,542,983.48, 47,128,569,140.08 and 19,010,111,390.32

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Solution

The fourth proportional to 31,434,542,983.48, 47,128,569,140.08 and 19,010,111,390.32 is: 28,501,109,416.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,434,542,983.48 : 47,128,569,140.08 = 19,010,111,390.32 : x
  2. Step 2: Convert to fraction form
    31,434,542,983.48/47,128,569,140.08 = 19,010,111,390.32/x
  3. Step 3: Cross multiply
    31,434,542,983.48x = 47,128,569,140.08 × 19,010,111,390.32
  4. Step 4: Simplify right side
    31,434,542,983.48x = 895,919,349,019,318,419,456
  5. Step 5: Solve for x
    x = 895,919,349,019,318,419,456/31,434,542,983.48
  6. Step 6: Final answer
    x = 28,501,109,416.17

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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.