Home / 867,467,552.64-1,301,216,880.96-315,162,222.72

Finding the Fourth Proportional to 867,467,552.64, 1,301,216,880.96 and 315,162,222.72

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Solution

The fourth proportional to 867,467,552.64, 1,301,216,880.96 and 315,162,222.72 is: 472,748,984.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,467,552.64 : 1,301,216,880.96 = 315,162,222.72 : x
  2. Step 2: Convert to fraction form
    867,467,552.64/1,301,216,880.96 = 315,162,222.72/x
  3. Step 3: Cross multiply
    867,467,552.64x = 1,301,216,880.96 × 315,162,222.72
  4. Step 4: Simplify right side
    867,467,552.64x = 410,094,404,444,139,328
  5. Step 5: Solve for x
    x = 410,094,404,444,139,328/867,467,552.64
  6. Step 6: Final answer
    x = 472,748,984.32

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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.