Home / 820,119,171,214.55-1,230,178,756,821.80-820,119,171,214.55

Finding the Fourth Proportional to 820,119,171,214.55, 1,230,178,756,821.80 and 820,119,171,214.55

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Solution

The fourth proportional to 820,119,171,214.55, 1,230,178,756,821.80 and 820,119,171,214.55 is: 1,230,178,756,821.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,119,171,214.55 : 1,230,178,756,821.80 = 820,119,171,214.55 : x
  2. Step 2: Convert to fraction form
    820,119,171,214.55/1,230,178,756,821.80 = 820,119,171,214.55/x
  3. Step 3: Cross multiply
    820,119,171,214.55x = 1,230,178,756,821.80 × 820,119,171,214.55
  4. Step 4: Simplify right side
    820,119,171,214.55x = 1,008,893,182,490,440,118,566,912
  5. Step 5: Solve for x
    x = 1,008,893,182,490,440,118,566,912/820,119,171,214.55
  6. Step 6: Final answer
    x = 1,230,178,756,821.80

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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.