Home / 421,415,758,477.02-581,554,177,100.56-228,727,971,128.70

Finding the Fourth Proportional to 421,415,758,477.02, 581,554,177,100.56 and 228,727,971,128.70

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Solution

The fourth proportional to 421,415,758,477.02, 581,554,177,100.56 and 228,727,971,128.70 is: 315,644,833,763.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,415,758,477.02 : 581,554,177,100.56 = 228,727,971,128.70 : x
  2. Step 2: Convert to fraction form
    421,415,758,477.02/581,554,177,100.56 = 228,727,971,128.70/x
  3. Step 3: Cross multiply
    421,415,758,477.02x = 581,554,177,100.56 × 228,727,971,128.70
  4. Step 4: Simplify right side
    421,415,758,477.02x = 133,017,707,029,631,802,015,744
  5. Step 5: Solve for x
    x = 133,017,707,029,631,802,015,744/421,415,758,477.02
  6. Step 6: Final answer
    x = 315,644,833,763.11

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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.