Home / 1,160,673,491.80-1,738,742,756.10-699,240,986.20

Finding the Fourth Proportional to 1,160,673,491.80, 1,738,742,756.10 and 699,240,986.20

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Solution

The fourth proportional to 1,160,673,491.80, 1,738,742,756.10 and 699,240,986.20 is: 1,047,495,448.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,160,673,491.80 : 1,738,742,756.10 = 699,240,986.20 : x
  2. Step 2: Convert to fraction form
    1,160,673,491.80/1,738,742,756.10 = 699,240,986.20/x
  3. Step 3: Cross multiply
    1,160,673,491.80x = 1,738,742,756.10 × 699,240,986.20
  4. Step 4: Simplify right side
    1,160,673,491.80x = 1,215,800,199,523,470,080
  5. Step 5: Solve for x
    x = 1,215,800,199,523,470,080/1,160,673,491.80
  6. Step 6: Final answer
    x = 1,047,495,448.21

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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.