Home / 8,020,805,101.80-12,031,207,652.70-7,680,736,005.90

Finding the Fourth Proportional to 8,020,805,101.80, 12,031,207,652.70 and 7,680,736,005.90

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Solution

The fourth proportional to 8,020,805,101.80, 12,031,207,652.70 and 7,680,736,005.90 is: 11,521,104,008.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,020,805,101.80 : 12,031,207,652.70 = 7,680,736,005.90 : x
  2. Step 2: Convert to fraction form
    8,020,805,101.80/12,031,207,652.70 = 7,680,736,005.90/x
  3. Step 3: Cross multiply
    8,020,805,101.80x = 12,031,207,652.70 × 7,680,736,005.90
  4. Step 4: Simplify right side
    8,020,805,101.80x = 92,408,529,812,552,515,584
  5. Step 5: Solve for x
    x = 92,408,529,812,552,515,584/8,020,805,101.80
  6. Step 6: Final answer
    x = 11,521,104,008.85

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.