Home / 939,190,052.64-1,296,185,867.82-537,341,137.32

Finding the Fourth Proportional to 939,190,052.64, 1,296,185,867.82 and 537,341,137.32

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Solution

The fourth proportional to 939,190,052.64, 1,296,185,867.82 and 537,341,137.32 is: 741,590,039.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,190,052.64 : 1,296,185,867.82 = 537,341,137.32 : x
  2. Step 2: Convert to fraction form
    939,190,052.64/1,296,185,867.82 = 537,341,137.32/x
  3. Step 3: Cross multiply
    939,190,052.64x = 1,296,185,867.82 × 537,341,137.32
  4. Step 4: Simplify right side
    939,190,052.64x = 696,493,988,392,510,080
  5. Step 5: Solve for x
    x = 696,493,988,392,510,080/939,190,052.64
  6. Step 6: Final answer
    x = 741,590,039.67

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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.