Home / 13,210,434,097.19-18,230,402,029.89-7,269,986,599.19

Finding the Fourth Proportional to 13,210,434,097.19, 18,230,402,029.89 and 7,269,986,599.19

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Solution

The fourth proportional to 13,210,434,097.19, 18,230,402,029.89 and 7,269,986,599.19 is: 10,032,583,144.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,210,434,097.19 : 18,230,402,029.89 = 7,269,986,599.19 : x
  2. Step 2: Convert to fraction form
    13,210,434,097.19/18,230,402,029.89 = 7,269,986,599.19/x
  3. Step 3: Cross multiply
    13,210,434,097.19x = 18,230,402,029.89 × 7,269,986,599.19
  4. Step 4: Simplify right side
    13,210,434,097.19x = 132,534,778,455,055,319,040
  5. Step 5: Solve for x
    x = 132,534,778,455,055,319,040/13,210,434,097.19
  6. Step 6: Final answer
    x = 10,032,583,144.51

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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.