Home / 1,860,053,184.75-2,790,483,789.70-679,631,767.67

Finding the Fourth Proportional to 1,860,053,184.75, 2,790,483,789.70 and 679,631,767.67

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Solution

The fourth proportional to 1,860,053,184.75, 2,790,483,789.70 and 679,631,767.67 is: 1,019,595,270.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,860,053,184.75 : 2,790,483,789.70 = 679,631,767.67 : x
  2. Step 2: Convert to fraction form
    1,860,053,184.75/2,790,483,789.70 = 679,631,767.67/x
  3. Step 3: Cross multiply
    1,860,053,184.75x = 2,790,483,789.70 × 679,631,767.67
  4. Step 4: Simplify right side
    1,860,053,184.75x = 1,896,501,430,658,755,840
  5. Step 5: Solve for x
    x = 1,896,501,430,658,755,840/1,860,053,184.75
  6. Step 6: Final answer
    x = 1,019,595,270.83

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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.