Home / 1,081,127,013.90-1,621,526,666.39-294,241,985.52

Finding the Fourth Proportional to 1,081,127,013.90, 1,621,526,666.39 and 294,241,985.52

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Solution

The fourth proportional to 1,081,127,013.90, 1,621,526,666.39 and 294,241,985.52 is: 441,318,383.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,081,127,013.90 : 1,621,526,666.39 = 294,241,985.52 : x
  2. Step 2: Convert to fraction form
    1,081,127,013.90/1,621,526,666.39 = 294,241,985.52/x
  3. Step 3: Cross multiply
    1,081,127,013.90x = 1,621,526,666.39 × 294,241,985.52
  4. Step 4: Simplify right side
    1,081,127,013.90x = 477,121,225,885,786,432
  5. Step 5: Solve for x
    x = 477,121,225,885,786,432/1,081,127,013.90
  6. Step 6: Final answer
    x = 441,318,383.27

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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.