Home / 746,911,205.40-1,119,610,980.90-440,045,362.20

Finding the Fourth Proportional to 746,911,205.40, 1,119,610,980.90 and 440,045,362.20

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Solution

The fourth proportional to 746,911,205.40, 1,119,610,980.90 and 440,045,362.20 is: 659,622,745.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,911,205.40 : 1,119,610,980.90 = 440,045,362.20 : x
  2. Step 2: Convert to fraction form
    746,911,205.40/1,119,610,980.90 = 440,045,362.20/x
  3. Step 3: Cross multiply
    746,911,205.40x = 1,119,610,980.90 × 440,045,362.20
  4. Step 4: Simplify right side
    746,911,205.40x = 492,679,619,613,237,824
  5. Step 5: Solve for x
    x = 492,679,619,613,237,824/746,911,205.40
  6. Step 6: Final answer
    x = 659,622,745.05

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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.