Home / 3,929,936,164,836.40-5,423,592,546,770-2,172,047,885,380.40

Finding the Fourth Proportional to 3,929,936,164,836.40, 5,423,592,546,770 and 2,172,047,885,380.40

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Solution

The fourth proportional to 3,929,936,164,836.40, 5,423,592,546,770 and 2,172,047,885,380.40 is: 2,997,581,189,176.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,929,936,164,836.40 : 5,423,592,546,770 = 2,172,047,885,380.40 : x
  2. Step 2: Convert to fraction form
    3,929,936,164,836.40/5,423,592,546,770 = 2,172,047,885,380.40/x
  3. Step 3: Cross multiply
    3,929,936,164,836.40x = 5,423,592,546,770 × 2,172,047,885,380.40
  4. Step 4: Simplify right side
    3,929,936,164,836.40x = 11,780,302,722,376,675,438,362,624
  5. Step 5: Solve for x
    x = 11,780,302,722,376,675,438,362,624/3,929,936,164,836.40
  6. Step 6: Final answer
    x = 2,997,581,189,176.16

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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.