Home / 299,221,182,173.49-449,547,805,141.74-191,865,786,873.67

Finding the Fourth Proportional to 299,221,182,173.49, 449,547,805,141.74 and 191,865,786,873.67

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Solution

The fourth proportional to 299,221,182,173.49, 449,547,805,141.74 and 191,865,786,873.67 is: 288,257,812,312.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,221,182,173.49 : 449,547,805,141.74 = 191,865,786,873.67 : x
  2. Step 2: Convert to fraction form
    299,221,182,173.49/449,547,805,141.74 = 191,865,786,873.67/x
  3. Step 3: Cross multiply
    299,221,182,173.49x = 449,547,805,141.74 × 191,865,786,873.67
  4. Step 4: Simplify right side
    299,221,182,173.49x = 86,252,843,370,851,218,751,488
  5. Step 5: Solve for x
    x = 86,252,843,370,851,218,751,488/299,221,182,173.49
  6. Step 6: Final answer
    x = 288,257,812,312.37

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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.