Home / 734,144,216.64-1,013,139,903.60-399,638,311.68

Finding the Fourth Proportional to 734,144,216.64, 1,013,139,903.60 and 399,638,311.68

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Solution

The fourth proportional to 734,144,216.64, 1,013,139,903.60 and 399,638,311.68 is: 551,512,238.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,144,216.64 : 1,013,139,903.60 = 399,638,311.68 : x
  2. Step 2: Convert to fraction form
    734,144,216.64/1,013,139,903.60 = 399,638,311.68/x
  3. Step 3: Cross multiply
    734,144,216.64x = 1,013,139,903.60 × 399,638,311.68
  4. Step 4: Simplify right side
    734,144,216.64x = 404,889,520,570,341,952
  5. Step 5: Solve for x
    x = 404,889,520,570,341,952/734,144,216.64
  6. Step 6: Final answer
    x = 551,512,238.87

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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.