Home / 1,980,997,898.88-2,971,562,945.28-890,484,193.92

Finding the Fourth Proportional to 1,980,997,898.88, 2,971,562,945.28 and 890,484,193.92

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Solution

The fourth proportional to 1,980,997,898.88, 2,971,562,945.28 and 890,484,193.92 is: 1,335,756,002.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,980,997,898.88 : 2,971,562,945.28 = 890,484,193.92 : x
  2. Step 2: Convert to fraction form
    1,980,997,898.88/2,971,562,945.28 = 890,484,193.92/x
  3. Step 3: Cross multiply
    1,980,997,898.88x = 2,971,562,945.28 × 890,484,193.92
  4. Step 4: Simplify right side
    1,980,997,898.88x = 2,646,129,834,010,202,112
  5. Step 5: Solve for x
    x = 2,646,129,834,010,202,112/1,980,997,898.88
  6. Step 6: Final answer
    x = 1,335,756,002.32

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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.