Home / 1,243,946,848,882.20-1,865,920,273,323.40-349,586,650,025.75

Finding the Fourth Proportional to 1,243,946,848,882.20, 1,865,920,273,323.40 and 349,586,650,025.75

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Solution

The fourth proportional to 1,243,946,848,882.20, 1,865,920,273,323.40 and 349,586,650,025.75 is: 524,379,975,038.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,946,848,882.20 : 1,865,920,273,323.40 = 349,586,650,025.75 : x
  2. Step 2: Convert to fraction form
    1,243,946,848,882.20/1,865,920,273,323.40 = 349,586,650,025.75/x
  3. Step 3: Cross multiply
    1,243,946,848,882.20x = 1,865,920,273,323.40 × 349,586,650,025.75
  4. Step 4: Simplify right side
    1,243,946,848,882.20x = 652,300,817,566,259,122,012,160
  5. Step 5: Solve for x
    x = 652,300,817,566,259,122,012,160/1,243,946,848,882.20
  6. Step 6: Final answer
    x = 524,379,975,038.65

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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.