Home / 1,256,529,945.17-1,734,199,839.34-954,618,439.93

Finding the Fourth Proportional to 1,256,529,945.17, 1,734,199,839.34 and 954,618,439.93

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Solution

The fourth proportional to 1,256,529,945.17, 1,734,199,839.34 and 954,618,439.93 is: 1,317,516,666.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,529,945.17 : 1,734,199,839.34 = 954,618,439.93 : x
  2. Step 2: Convert to fraction form
    1,256,529,945.17/1,734,199,839.34 = 954,618,439.93/x
  3. Step 3: Cross multiply
    1,256,529,945.17x = 1,734,199,839.34 × 954,618,439.93
  4. Step 4: Simplify right side
    1,256,529,945.17x = 1,655,499,145,157,607,168
  5. Step 5: Solve for x
    x = 1,655,499,145,157,607,168/1,256,529,945.17
  6. Step 6: Final answer
    x = 1,317,516,666.86

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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.