Home / 377,107,485,139.86-521,089,065,255.80-268,532,083,482.98

Finding the Fourth Proportional to 377,107,485,139.86, 521,089,065,255.80 and 268,532,083,482.98

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Solution

The fourth proportional to 377,107,485,139.86, 521,089,065,255.80 and 268,532,083,482.98 is: 371,059,016,029.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,107,485,139.86 : 521,089,065,255.80 = 268,532,083,482.98 : x
  2. Step 2: Convert to fraction form
    377,107,485,139.86/521,089,065,255.80 = 268,532,083,482.98/x
  3. Step 3: Cross multiply
    377,107,485,139.86x = 521,089,065,255.80 × 268,532,083,482.98
  4. Step 4: Simplify right side
    377,107,485,139.86x = 139,929,132,373,338,503,512,064
  5. Step 5: Solve for x
    x = 139,929,132,373,338,503,512,064/377,107,485,139.86
  6. Step 6: Final answer
    x = 371,059,016,029.45

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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.