Home / 272,629,233,128.70-408,943,849,693.05-131,065,786,448.10

Finding the Fourth Proportional to 272,629,233,128.70, 408,943,849,693.05 and 131,065,786,448.10

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Solution

The fourth proportional to 272,629,233,128.70, 408,943,849,693.05 and 131,065,786,448.10 is: 196,598,679,672.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,629,233,128.70 : 408,943,849,693.05 = 131,065,786,448.10 : x
  2. Step 2: Convert to fraction form
    272,629,233,128.70/408,943,849,693.05 = 131,065,786,448.10/x
  3. Step 3: Cross multiply
    272,629,233,128.70x = 408,943,849,693.05 × 131,065,786,448.10
  4. Step 4: Simplify right side
    272,629,233,128.70x = 53,598,547,273,133,196,312,576
  5. Step 5: Solve for x
    x = 53,598,547,273,133,196,312,576/272,629,233,128.70
  6. Step 6: Final answer
    x = 196,598,679,672.15

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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.