Home / 6,921,895,841.72-9,552,091,746.02-3,911,083,900.67

Finding the Fourth Proportional to 6,921,895,841.72, 9,552,091,746.02 and 3,911,083,900.67

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Solution

The fourth proportional to 6,921,895,841.72, 9,552,091,746.02 and 3,911,083,900.67 is: 5,397,225,427.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,921,895,841.72 : 9,552,091,746.02 = 3,911,083,900.67 : x
  2. Step 2: Convert to fraction form
    6,921,895,841.72/9,552,091,746.02 = 3,911,083,900.67/x
  3. Step 3: Cross multiply
    6,921,895,841.72x = 9,552,091,746.02 × 3,911,083,900.67
  4. Step 4: Simplify right side
    6,921,895,841.72x = 37,359,032,245,597,667,328
  5. Step 5: Solve for x
    x = 37,359,032,245,597,667,328/6,921,895,841.72
  6. Step 6: Final answer
    x = 5,397,225,427.81

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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.