Home / 639,077,277.24-881,918,019.62-356,824,065.64

Finding the Fourth Proportional to 639,077,277.24, 881,918,019.62 and 356,824,065.64

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Solution

The fourth proportional to 639,077,277.24, 881,918,019.62 and 356,824,065.64 is: 492,412,396.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,077,277.24 : 881,918,019.62 = 356,824,065.64 : x
  2. Step 2: Convert to fraction form
    639,077,277.24/881,918,019.62 = 356,824,065.64/x
  3. Step 3: Cross multiply
    639,077,277.24x = 881,918,019.62 × 356,824,065.64
  4. Step 4: Simplify right side
    639,077,277.24x = 314,689,573,321,985,664
  5. Step 5: Solve for x
    x = 314,689,573,321,985,664/639,077,277.24
  6. Step 6: Final answer
    x = 492,412,396.01

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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.