Home / 1,262,232,904.67-1,893,349,373.44-342,109,243.29

Finding the Fourth Proportional to 1,262,232,904.67, 1,893,349,373.44 and 342,109,243.29

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Solution

The fourth proportional to 1,262,232,904.67, 1,893,349,373.44 and 342,109,243.29 is: 513,163,869.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262,232,904.67 : 1,893,349,373.44 = 342,109,243.29 : x
  2. Step 2: Convert to fraction form
    1,262,232,904.67/1,893,349,373.44 = 342,109,243.29/x
  3. Step 3: Cross multiply
    1,262,232,904.67x = 1,893,349,373.44 × 342,109,243.29
  4. Step 4: Simplify right side
    1,262,232,904.67x = 647,732,321,431,154,048
  5. Step 5: Solve for x
    x = 647,732,321,431,154,048/1,262,232,904.67
  6. Step 6: Final answer
    x = 513,163,869.39

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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.