Home / 7,812,590,334.08-10,782,298,935.97-4,640,786,781.98

Finding the Fourth Proportional to 7,812,590,334.08, 10,782,298,935.97 and 4,640,786,781.98

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Solution

The fourth proportional to 7,812,590,334.08, 10,782,298,935.97 and 4,640,786,781.98 is: 6,404,834,791.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,812,590,334.08 : 10,782,298,935.97 = 4,640,786,781.98 : x
  2. Step 2: Convert to fraction form
    7,812,590,334.08/10,782,298,935.97 = 4,640,786,781.98/x
  3. Step 3: Cross multiply
    7,812,590,334.08x = 10,782,298,935.97 × 4,640,786,781.98
  4. Step 4: Simplify right side
    7,812,590,334.08x = 50,038,350,381,343,408,128
  5. Step 5: Solve for x
    x = 50,038,350,381,343,408,128/7,812,590,334.08
  6. Step 6: Final answer
    x = 6,404,834,791.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.