Home / 1,369,536,029.76-1,889,963,344.80-743,004,437.76

Finding the Fourth Proportional to 1,369,536,029.76, 1,889,963,344.80 and 743,004,437.76

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Solution

The fourth proportional to 1,369,536,029.76, 1,889,963,344.80 and 743,004,437.76 is: 1,025,348,090.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,369,536,029.76 : 1,889,963,344.80 = 743,004,437.76 : x
  2. Step 2: Convert to fraction form
    1,369,536,029.76/1,889,963,344.80 = 743,004,437.76/x
  3. Step 3: Cross multiply
    1,369,536,029.76x = 1,889,963,344.80 × 743,004,437.76
  4. Step 4: Simplify right side
    1,369,536,029.76x = 1,404,251,152,390,132,992
  5. Step 5: Solve for x
    x = 1,404,251,152,390,132,992/1,369,536,029.76
  6. Step 6: Final answer
    x = 1,025,348,090.07

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.