Home / 10,455,850,424.57-15,688,407,145.48-5,480,389,840.70

Finding the Fourth Proportional to 10,455,850,424.57, 15,688,407,145.48 and 5,480,389,840.70

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Solution

The fourth proportional to 10,455,850,424.57, 15,688,407,145.48 and 5,480,389,840.70 is: 8,223,012,346.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,455,850,424.57 : 15,688,407,145.48 = 5,480,389,840.70 : x
  2. Step 2: Convert to fraction form
    10,455,850,424.57/15,688,407,145.48 = 5,480,389,840.70/x
  3. Step 3: Cross multiply
    10,455,850,424.57x = 15,688,407,145.48 × 5,480,389,840.70
  4. Step 4: Simplify right side
    10,455,850,424.57x = 85,978,587,136,882,147,328
  5. Step 5: Solve for x
    x = 85,978,587,136,882,147,328/10,455,850,424.57
  6. Step 6: Final answer
    x = 8,223,012,346.74

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1.5x scale

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.