Home / 1,946,934,211.78-2,920,401,320.10-473,066,447.86

Finding the Fourth Proportional to 1,946,934,211.78, 2,920,401,320.10 and 473,066,447.86

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Solution

The fourth proportional to 1,946,934,211.78, 2,920,401,320.10 and 473,066,447.86 is: 709,599,672.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,946,934,211.78 : 2,920,401,320.10 = 473,066,447.86 : x
  2. Step 2: Convert to fraction form
    1,946,934,211.78/2,920,401,320.10 = 473,066,447.86/x
  3. Step 3: Cross multiply
    1,946,934,211.78x = 2,920,401,320.10 × 473,066,447.86
  4. Step 4: Simplify right side
    1,946,934,211.78x = 1,381,543,878,825,361,920
  5. Step 5: Solve for x
    x = 1,381,543,878,825,361,920/1,946,934,211.78
  6. Step 6: Final answer
    x = 709,599,672.38

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Double scale
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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.