Home / 299,221,182,173.98-449,547,805,142.48-191,865,786,874.18

Finding the Fourth Proportional to 299,221,182,173.98, 449,547,805,142.48 and 191,865,786,874.18

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Solution

The fourth proportional to 299,221,182,173.98, 449,547,805,142.48 and 191,865,786,874.18 is: 288,257,812,313.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,221,182,173.98 : 449,547,805,142.48 = 191,865,786,874.18 : x
  2. Step 2: Convert to fraction form
    299,221,182,173.98/449,547,805,142.48 = 191,865,786,874.18/x
  3. Step 3: Cross multiply
    299,221,182,173.98x = 449,547,805,142.48 × 191,865,786,874.18
  4. Step 4: Simplify right side
    299,221,182,173.98x = 86,252,843,371,222,464,987,136
  5. Step 5: Solve for x
    x = 86,252,843,371,222,464,987,136/299,221,182,173.98
  6. Step 6: Final answer
    x = 288,257,812,313.14

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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.