Home / 718,340,786,011.30-1,077,513,974,518.40-173,788,410,100.49

Finding the Fourth Proportional to 718,340,786,011.30, 1,077,513,974,518.40 and 173,788,410,100.49

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Solution

The fourth proportional to 718,340,786,011.30, 1,077,513,974,518.40 and 173,788,410,100.49 is: 260,683,291,467.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,340,786,011.30 : 1,077,513,974,518.40 = 173,788,410,100.49 : x
  2. Step 2: Convert to fraction form
    718,340,786,011.30/1,077,513,974,518.40 = 173,788,410,100.49/x
  3. Step 3: Cross multiply
    718,340,786,011.30x = 1,077,513,974,518.40 × 173,788,410,100.49
  4. Step 4: Simplify right side
    718,340,786,011.30x = 187,259,440,492,612,612,521,984
  5. Step 5: Solve for x
    x = 187,259,440,492,612,612,521,984/718,340,786,011.30
  6. Step 6: Final answer
    x = 260,683,291,467.27

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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.