Home / 1,435,860,369.62-1,981,487,313.89-775,810,647.62

Finding the Fourth Proportional to 1,435,860,369.62, 1,981,487,313.89 and 775,810,647.62

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Solution

The fourth proportional to 1,435,860,369.62, 1,981,487,313.89 and 775,810,647.62 is: 1,070,618,695.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,435,860,369.62 : 1,981,487,313.89 = 775,810,647.62 : x
  2. Step 2: Convert to fraction form
    1,435,860,369.62/1,981,487,313.89 = 775,810,647.62/x
  3. Step 3: Cross multiply
    1,435,860,369.62x = 1,981,487,313.89 × 775,810,647.62
  4. Step 4: Simplify right side
    1,435,860,369.62x = 1,537,258,956,226,028,544
  5. Step 5: Solve for x
    x = 1,537,258,956,226,028,544/1,435,860,369.62
  6. Step 6: Final answer
    x = 1,070,618,695.77

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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.