Home / 780,364,523,510.40-1,076,815,702,211.50-433,149,436,863.30

Finding the Fourth Proportional to 780,364,523,510.40, 1,076,815,702,211.50 and 433,149,436,863.30

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Solution

The fourth proportional to 780,364,523,510.40, 1,076,815,702,211.50 and 433,149,436,863.30 is: 597,697,743,767.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,364,523,510.40 : 1,076,815,702,211.50 = 433,149,436,863.30 : x
  2. Step 2: Convert to fraction form
    780,364,523,510.40/1,076,815,702,211.50 = 433,149,436,863.30/x
  3. Step 3: Cross multiply
    780,364,523,510.40x = 1,076,815,702,211.50 × 433,149,436,863.30
  4. Step 4: Simplify right side
    780,364,523,510.40x = 466,422,115,018,470,183,665,664
  5. Step 5: Solve for x
    x = 466,422,115,018,470,183,665,664/780,364,523,510.40
  6. Step 6: Final answer
    x = 597,697,743,767.63

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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.