Home / 1,065,142,462.80-1,596,579,953.40-409,840,280.40

Finding the Fourth Proportional to 1,065,142,462.80, 1,596,579,953.40 and 409,840,280.40

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Solution

The fourth proportional to 1,065,142,462.80, 1,596,579,953.40 and 409,840,280.40 is: 614,324,185.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,065,142,462.80 : 1,596,579,953.40 = 409,840,280.40 : x
  2. Step 2: Convert to fraction form
    1,065,142,462.80/1,596,579,953.40 = 409,840,280.40/x
  3. Step 3: Cross multiply
    1,065,142,462.80x = 1,596,579,953.40 × 409,840,280.40
  4. Step 4: Simplify right side
    1,065,142,462.80x = 654,342,775,782,474,880
  5. Step 5: Solve for x
    x = 654,342,775,782,474,880/1,065,142,462.80
  6. Step 6: Final answer
    x = 614,324,185.39

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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.