Home / 1,273,301,756.72-1,757,138,425.86-716,383,475.12

Finding the Fourth Proportional to 1,273,301,756.72, 1,757,138,425.86 and 716,383,475.12

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Solution

The fourth proportional to 1,273,301,756.72, 1,757,138,425.86 and 716,383,475.12 is: 988,599,069.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,273,301,756.72 : 1,757,138,425.86 = 716,383,475.12 : x
  2. Step 2: Convert to fraction form
    1,273,301,756.72/1,757,138,425.86 = 716,383,475.12/x
  3. Step 3: Cross multiply
    1,273,301,756.72x = 1,757,138,425.86 × 716,383,475.12
  4. Step 4: Simplify right side
    1,273,301,756.72x = 1,258,784,931,784,473,088
  5. Step 5: Solve for x
    x = 1,258,784,931,784,473,088/1,273,301,756.72
  6. Step 6: Final answer
    x = 988,599,069.42

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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.