Home / 1,421,674,189.30-2,132,802,133.08-488,875,893.61

Finding the Fourth Proportional to 1,421,674,189.30, 2,132,802,133.08 and 488,875,893.61

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Solution

The fourth proportional to 1,421,674,189.30, 2,132,802,133.08 and 488,875,893.61 is: 733,413,855.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,421,674,189.30 : 2,132,802,133.08 = 488,875,893.61 : x
  2. Step 2: Convert to fraction form
    1,421,674,189.30/2,132,802,133.08 = 488,875,893.61/x
  3. Step 3: Cross multiply
    1,421,674,189.30x = 2,132,802,133.08 × 488,875,893.61
  4. Step 4: Simplify right side
    1,421,674,189.30x = 1,042,675,548,705,686,784
  5. Step 5: Solve for x
    x = 1,042,675,548,705,686,784/1,421,674,189.30
  6. Step 6: Final answer
    x = 733,413,855.69

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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.