Home / 2,528,343,386.40-3,789,964,162.80-1,149,147,703.20

Finding the Fourth Proportional to 2,528,343,386.40, 3,789,964,162.80 and 1,149,147,703.20

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Solution

The fourth proportional to 2,528,343,386.40, 3,789,964,162.80 and 1,149,147,703.20 is: 1,722,562,147.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,528,343,386.40 : 3,789,964,162.80 = 1,149,147,703.20 : x
  2. Step 2: Convert to fraction form
    2,528,343,386.40/3,789,964,162.80 = 1,149,147,703.20/x
  3. Step 3: Cross multiply
    2,528,343,386.40x = 3,789,964,162.80 × 1,149,147,703.20
  4. Step 4: Simplify right side
    2,528,343,386.40x = 4,355,228,612,891,931,136
  5. Step 5: Solve for x
    x = 4,355,228,612,891,931,136/2,528,343,386.40
  6. Step 6: Final answer
    x = 1,722,562,147.34

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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.