Home / 1,946,710,605.78-2,920,065,942.51-472,840,483.43

Finding the Fourth Proportional to 1,946,710,605.78, 2,920,065,942.51 and 472,840,483.43

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Solution

The fourth proportional to 1,946,710,605.78, 2,920,065,942.51 and 472,840,483.43 is: 709,260,733.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,946,710,605.78 : 2,920,065,942.51 = 472,840,483.43 : x
  2. Step 2: Convert to fraction form
    1,946,710,605.78/2,920,065,942.51 = 472,840,483.43/x
  3. Step 3: Cross multiply
    1,946,710,605.78x = 2,920,065,942.51 × 472,840,483.43
  4. Step 4: Simplify right side
    1,946,710,605.78x = 1,380,725,391,911,207,168
  5. Step 5: Solve for x
    x = 1,380,725,391,911,207,168/1,946,710,605.78
  6. Step 6: Final answer
    x = 709,260,733.37

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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.