Home / 3,889,428,526.32-5,835,070,928.82-1,269,237,506.16

Finding the Fourth Proportional to 3,889,428,526.32, 5,835,070,928.82 and 1,269,237,506.16

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Solution

The fourth proportional to 3,889,428,526.32, 5,835,070,928.82 and 1,269,237,506.16 is: 1,904,159,139.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,889,428,526.32 : 5,835,070,928.82 = 1,269,237,506.16 : x
  2. Step 2: Convert to fraction form
    3,889,428,526.32/5,835,070,928.82 = 1,269,237,506.16/x
  3. Step 3: Cross multiply
    3,889,428,526.32x = 5,835,070,928.82 × 1,269,237,506.16
  4. Step 4: Simplify right side
    3,889,428,526.32x = 7,406,090,873,962,211,328
  5. Step 5: Solve for x
    x = 7,406,090,873,962,211,328/3,889,428,526.32
  6. Step 6: Final answer
    x = 1,904,159,139.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.