Home / 756,003,200.40-1,133,109,005.40-319,303,040.40

Finding the Fourth Proportional to 756,003,200.40, 1,133,109,005.40 and 319,303,040.40

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Solution

The fourth proportional to 756,003,200.40, 1,133,109,005.40 and 319,303,040.40 is: 478,576,215.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,003,200.40 : 1,133,109,005.40 = 319,303,040.40 : x
  2. Step 2: Convert to fraction form
    756,003,200.40/1,133,109,005.40 = 319,303,040.40/x
  3. Step 3: Cross multiply
    756,003,200.40x = 1,133,109,005.40 × 319,303,040.40
  4. Step 4: Simplify right side
    756,003,200.40x = 361,805,150,528,840,000
  5. Step 5: Solve for x
    x = 361,805,150,528,840,000/756,003,200.40
  6. Step 6: Final answer
    x = 478,576,215.47

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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.