Home / 2,782,019,943.40-4,173,029,915.10-2,571,806,669.80

Finding the Fourth Proportional to 2,782,019,943.40, 4,173,029,915.10 and 2,571,806,669.80

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Solution

The fourth proportional to 2,782,019,943.40, 4,173,029,915.10 and 2,571,806,669.80 is: 3,857,710,004.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,782,019,943.40 : 4,173,029,915.10 = 2,571,806,669.80 : x
  2. Step 2: Convert to fraction form
    2,782,019,943.40/4,173,029,915.10 = 2,571,806,669.80/x
  3. Step 3: Cross multiply
    2,782,019,943.40x = 4,173,029,915.10 × 2,571,806,669.80
  4. Step 4: Simplify right side
    2,782,019,943.40x = 10,732,226,168,929,107,968
  5. Step 5: Solve for x
    x = 10,732,226,168,929,107,968/2,782,019,943.40
  6. Step 6: Final answer
    x = 3,857,710,004.70

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1.5x scale

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.