Home / 2,545,438,862.34-3,512,300,900.64-1,431,389,810.34

Finding the Fourth Proportional to 2,545,438,862.34, 3,512,300,900.64 and 1,431,389,810.34

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Solution

The fourth proportional to 2,545,438,862.34, 3,512,300,900.64 and 1,431,389,810.34 is: 1,975,090,344.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,545,438,862.34 : 3,512,300,900.64 = 1,431,389,810.34 : x
  2. Step 2: Convert to fraction form
    2,545,438,862.34/3,512,300,900.64 = 1,431,389,810.34/x
  3. Step 3: Cross multiply
    2,545,438,862.34x = 3,512,300,900.64 × 1,431,389,810.34
  4. Step 4: Simplify right side
    2,545,438,862.34x = 5,027,471,720,024,099,840
  5. Step 5: Solve for x
    x = 5,027,471,720,024,099,840/2,545,438,862.34
  6. Step 6: Final answer
    x = 1,975,090,344.70

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Half scale
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Double scale
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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.