Home / 942,078,957.66-1,413,329,186.06-287,081,246.67

Finding the Fourth Proportional to 942,078,957.66, 1,413,329,186.06 and 287,081,246.67

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Solution

The fourth proportional to 942,078,957.66, 1,413,329,186.06 and 287,081,246.67 is: 430,686,092.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,078,957.66 : 1,413,329,186.06 = 287,081,246.67 : x
  2. Step 2: Convert to fraction form
    942,078,957.66/1,413,329,186.06 = 287,081,246.67/x
  3. Step 3: Cross multiply
    942,078,957.66x = 1,413,329,186.06 × 287,081,246.67
  4. Step 4: Simplify right side
    942,078,957.66x = 405,740,304,684,618,880
  5. Step 5: Solve for x
    x = 405,740,304,684,618,880/942,078,957.66
  6. Step 6: Final answer
    x = 430,686,092.06

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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.