Home / 3,929,936,164,842.40-5,423,592,546,778.40-2,172,047,885,386.40

Finding the Fourth Proportional to 3,929,936,164,842.40, 5,423,592,546,778.40 and 2,172,047,885,386.40

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Solution

The fourth proportional to 3,929,936,164,842.40, 5,423,592,546,778.40 and 2,172,047,885,386.40 is: 2,997,581,189,184.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,929,936,164,842.40 : 5,423,592,546,778.40 = 2,172,047,885,386.40 : x
  2. Step 2: Convert to fraction form
    3,929,936,164,842.40/5,423,592,546,778.40 = 2,172,047,885,386.40/x
  3. Step 3: Cross multiply
    3,929,936,164,842.40x = 5,423,592,546,778.40 × 2,172,047,885,386.40
  4. Step 4: Simplify right side
    3,929,936,164,842.40x = 11,780,302,722,427,463,426,637,824
  5. Step 5: Solve for x
    x = 11,780,302,722,427,463,426,637,824/3,929,936,164,842.40
  6. Step 6: Final answer
    x = 2,997,581,189,184.50

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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.