Home / 780,364,523,486.35-1,076,815,702,178.40-433,149,436,839.17

Finding the Fourth Proportional to 780,364,523,486.35, 1,076,815,702,178.40 and 433,149,436,839.17

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Solution

The fourth proportional to 780,364,523,486.35, 1,076,815,702,178.40 and 433,149,436,839.17 is: 597,697,743,734.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,364,523,486.35 : 1,076,815,702,178.40 = 433,149,436,839.17 : x
  2. Step 2: Convert to fraction form
    780,364,523,486.35/1,076,815,702,178.40 = 433,149,436,839.17/x
  3. Step 3: Cross multiply
    780,364,523,486.35x = 1,076,815,702,178.40 × 433,149,436,839.17
  4. Step 4: Simplify right side
    780,364,523,486.35x = 466,422,114,978,149,366,235,136
  5. Step 5: Solve for x
    x = 466,422,114,978,149,366,235,136/780,364,523,486.35
  6. Step 6: Final answer
    x = 597,697,743,734.38

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.