Home / 734,121,417.12-1,013,114,285.67-399,577,769.73

Finding the Fourth Proportional to 734,121,417.12, 1,013,114,285.67 and 399,577,769.73

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Solution

The fourth proportional to 734,121,417.12, 1,013,114,285.67 and 399,577,769.73 is: 551,431,871.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,121,417.12 : 1,013,114,285.67 = 399,577,769.73 : x
  2. Step 2: Convert to fraction form
    734,121,417.12/1,013,114,285.67 = 399,577,769.73/x
  3. Step 3: Cross multiply
    734,121,417.12x = 1,013,114,285.67 × 399,577,769.73
  4. Step 4: Simplify right side
    734,121,417.12x = 404,817,946,749,620,672
  5. Step 5: Solve for x
    x = 404,817,946,749,620,672/734,121,417.12
  6. Step 6: Final answer
    x = 551,431,871.23

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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.