Home / 1,293,644,018.20-1,940,466,027.30-711,153,189.40

Finding the Fourth Proportional to 1,293,644,018.20, 1,940,466,027.30 and 711,153,189.40

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Solution

The fourth proportional to 1,293,644,018.20, 1,940,466,027.30 and 711,153,189.40 is: 1,066,729,784.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,293,644,018.20 : 1,940,466,027.30 = 711,153,189.40 : x
  2. Step 2: Convert to fraction form
    1,293,644,018.20/1,940,466,027.30 = 711,153,189.40/x
  3. Step 3: Cross multiply
    1,293,644,018.20x = 1,940,466,027.30 × 711,153,189.40
  4. Step 4: Simplify right side
    1,293,644,018.20x = 1,379,968,604,236,742,400
  5. Step 5: Solve for x
    x = 1,379,968,604,236,742,400/1,293,644,018.20
  6. Step 6: Final answer
    x = 1,066,729,784.10

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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.