Home / 780,364,523,511.40-1,076,815,702,213.20-433,149,436,864.30

Finding the Fourth Proportional to 780,364,523,511.40, 1,076,815,702,213.20 and 433,149,436,864.30

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Solution

The fourth proportional to 780,364,523,511.40, 1,076,815,702,213.20 and 433,149,436,864.30 is: 597,697,743,769.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,364,523,511.40 : 1,076,815,702,213.20 = 433,149,436,864.30 : x
  2. Step 2: Convert to fraction form
    780,364,523,511.40/1,076,815,702,213.20 = 433,149,436,864.30/x
  3. Step 3: Cross multiply
    780,364,523,511.40x = 1,076,815,702,213.20 × 433,149,436,864.30
  4. Step 4: Simplify right side
    780,364,523,511.40x = 466,422,115,020,283,330,953,216
  5. Step 5: Solve for x
    x = 466,422,115,020,283,330,953,216/780,364,523,511.40
  6. Step 6: Final answer
    x = 597,697,743,769.19

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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.