Home / 66,292,277,489.36-99,371,397,980.39-28,543,470,560.72

Finding the Fourth Proportional to 66,292,277,489.36, 99,371,397,980.39 and 28,543,470,560.72

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Solution

The fourth proportional to 66,292,277,489.36, 99,371,397,980.39 and 28,543,470,560.72 is: 42,786,349,786.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,292,277,489.36 : 99,371,397,980.39 = 28,543,470,560.72 : x
  2. Step 2: Convert to fraction form
    66,292,277,489.36/99,371,397,980.39 = 28,543,470,560.72/x
  3. Step 3: Cross multiply
    66,292,277,489.36x = 99,371,397,980.39 × 28,543,470,560.72
  4. Step 4: Simplify right side
    66,292,277,489.36x = 2,836,404,572,830,213,079,040
  5. Step 5: Solve for x
    x = 2,836,404,572,830,213,079,040/66,292,277,489.36
  6. Step 6: Final answer
    x = 42,786,349,786.91

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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.