Home / 6,405,986,828.40-9,596,887,007.40-3,289,963,225.20

Finding the Fourth Proportional to 6,405,986,828.40, 9,596,887,007.40 and 3,289,963,225.20

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Solution

The fourth proportional to 6,405,986,828.40, 9,596,887,007.40 and 3,289,963,225.20 is: 4,928,734,038.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,405,986,828.40 : 9,596,887,007.40 = 3,289,963,225.20 : x
  2. Step 2: Convert to fraction form
    6,405,986,828.40/9,596,887,007.40 = 3,289,963,225.20/x
  3. Step 3: Cross multiply
    6,405,986,828.40x = 9,596,887,007.40 × 3,289,963,225.20
  4. Step 4: Simplify right side
    6,405,986,828.40x = 31,573,405,330,745,675,776
  5. Step 5: Solve for x
    x = 31,573,405,330,745,675,776/6,405,986,828.40
  6. Step 6: Final answer
    x = 4,928,734,038.41

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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.