Home / 8,108,298,259.95-12,158,013,625.33-6,438,311,234.82

Finding the Fourth Proportional to 8,108,298,259.95, 12,158,013,625.33 and 6,438,311,234.82

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Solution

The fourth proportional to 8,108,298,259.95, 12,158,013,625.33 and 6,438,311,234.82 is: 9,653,946,266.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,108,298,259.95 : 12,158,013,625.33 = 6,438,311,234.82 : x
  2. Step 2: Convert to fraction form
    8,108,298,259.95/12,158,013,625.33 = 6,438,311,234.82/x
  3. Step 3: Cross multiply
    8,108,298,259.95x = 12,158,013,625.33 × 6,438,311,234.82
  4. Step 4: Simplify right side
    8,108,298,259.95x = 78,277,075,717,056,774,144
  5. Step 5: Solve for x
    x = 78,277,075,717,056,774,144/8,108,298,259.95
  6. Step 6: Final answer
    x = 9,653,946,266.84

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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.