Home / 1,371,934,188.91-1,893,286,399.62-745,413,079.60

Finding the Fourth Proportional to 1,371,934,188.91, 1,893,286,399.62 and 745,413,079.60

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Solution

The fourth proportional to 1,371,934,188.91, 1,893,286,399.62 and 745,413,079.60 is: 1,028,679,405.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,371,934,188.91 : 1,893,286,399.62 = 745,413,079.60 : x
  2. Step 2: Convert to fraction form
    1,371,934,188.91/1,893,286,399.62 = 745,413,079.60/x
  3. Step 3: Cross multiply
    1,371,934,188.91x = 1,893,286,399.62 × 745,413,079.60
  4. Step 4: Simplify right side
    1,371,934,188.91x = 1,411,280,445,708,410,112
  5. Step 5: Solve for x
    x = 1,411,280,445,708,410,112/1,371,934,188.91
  6. Step 6: Final answer
    x = 1,028,679,405.41

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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.