Home / 1,689,018,950.97-2,533,950,419.04-1,191,999,911.45

Finding the Fourth Proportional to 1,689,018,950.97, 2,533,950,419.04 and 1,191,999,911.45

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Solution

The fourth proportional to 1,689,018,950.97, 2,533,950,419.04 and 1,191,999,911.45 is: 1,788,297,682.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,689,018,950.97 : 2,533,950,419.04 = 1,191,999,911.45 : x
  2. Step 2: Convert to fraction form
    1,689,018,950.97/2,533,950,419.04 = 1,191,999,911.45/x
  3. Step 3: Cross multiply
    1,689,018,950.97x = 2,533,950,419.04 × 1,191,999,911.45
  4. Step 4: Simplify right side
    1,689,018,950.97x = 3,020,468,675,101,700,608
  5. Step 5: Solve for x
    x = 3,020,468,675,101,700,608/1,689,018,950.97
  6. Step 6: Final answer
    x = 1,788,297,682.13

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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.