Home / 2,782,019,943.90-4,173,029,915.85-2,571,806,670.30

Finding the Fourth Proportional to 2,782,019,943.90, 4,173,029,915.85 and 2,571,806,670.30

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Solution

The fourth proportional to 2,782,019,943.90, 4,173,029,915.85 and 2,571,806,670.30 is: 3,857,710,005.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,782,019,943.90 : 4,173,029,915.85 = 2,571,806,670.30 : x
  2. Step 2: Convert to fraction form
    2,782,019,943.90/4,173,029,915.85 = 2,571,806,670.30/x
  3. Step 3: Cross multiply
    2,782,019,943.90x = 4,173,029,915.85 × 2,571,806,670.30
  4. Step 4: Simplify right side
    2,782,019,943.90x = 10,732,226,172,944,478,208
  5. Step 5: Solve for x
    x = 10,732,226,172,944,478,208/2,782,019,943.90
  6. Step 6: Final answer
    x = 3,857,710,005.45

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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.