Home / 683,465,136.40-1,024,945,762.20-338,304,048.40

Finding the Fourth Proportional to 683,465,136.40, 1,024,945,762.20 and 338,304,048.40

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Solution

The fourth proportional to 683,465,136.40, 1,024,945,762.20 and 338,304,048.40 is: 507,331,365.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,465,136.40 : 1,024,945,762.20 = 338,304,048.40 : x
  2. Step 2: Convert to fraction form
    683,465,136.40/1,024,945,762.20 = 338,304,048.40/x
  3. Step 3: Cross multiply
    683,465,136.40x = 1,024,945,762.20 × 338,304,048.40
  4. Step 4: Simplify right side
    683,465,136.40x = 346,743,300,742,683,712
  5. Step 5: Solve for x
    x = 346,743,300,742,683,712/683,465,136.40
  6. Step 6: Final answer
    x = 507,331,365.24

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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.