Home / 31,434,543,021.36-47,128,569,197.04-19,010,111,428.24

Finding the Fourth Proportional to 31,434,543,021.36, 47,128,569,197.04 and 19,010,111,428.24

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Solution

The fourth proportional to 31,434,543,021.36, 47,128,569,197.04 and 19,010,111,428.24 is: 28,501,109,473.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,434,543,021.36 : 47,128,569,197.04 = 19,010,111,428.24 : x
  2. Step 2: Convert to fraction form
    31,434,543,021.36/47,128,569,197.04 = 19,010,111,428.24/x
  3. Step 3: Cross multiply
    31,434,543,021.36x = 47,128,569,197.04 × 19,010,111,428.24
  4. Step 4: Simplify right side
    31,434,543,021.36x = 895,919,351,889,249,828,864
  5. Step 5: Solve for x
    x = 895,919,351,889,249,828,864/31,434,543,021.36
  6. Step 6: Final answer
    x = 28,501,109,473.12

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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.