Home / 820,119,171,215.45-1,230,178,756,823.20-820,119,171,215.45

Finding the Fourth Proportional to 820,119,171,215.45, 1,230,178,756,823.20 and 820,119,171,215.45

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Solution

The fourth proportional to 820,119,171,215.45, 1,230,178,756,823.20 and 820,119,171,215.45 is: 1,230,178,756,823.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,119,171,215.45 : 1,230,178,756,823.20 = 820,119,171,215.45 : x
  2. Step 2: Convert to fraction form
    820,119,171,215.45/1,230,178,756,823.20 = 820,119,171,215.45/x
  3. Step 3: Cross multiply
    820,119,171,215.45x = 1,230,178,756,823.20 × 820,119,171,215.45
  4. Step 4: Simplify right side
    820,119,171,215.45x = 1,008,893,182,492,695,244,832,768
  5. Step 5: Solve for x
    x = 1,008,893,182,492,695,244,832,768/820,119,171,215.45
  6. Step 6: Final answer
    x = 1,230,178,756,823.20

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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.