Home / 1,230,762,400.80-1,846,143,601.20-369,119,392.80

Finding the Fourth Proportional to 1,230,762,400.80, 1,846,143,601.20 and 369,119,392.80

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Solution

The fourth proportional to 1,230,762,400.80, 1,846,143,601.20 and 369,119,392.80 is: 553,679,089.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,762,400.80 : 1,846,143,601.20 = 369,119,392.80 : x
  2. Step 2: Convert to fraction form
    1,230,762,400.80/1,846,143,601.20 = 369,119,392.80/x
  3. Step 3: Cross multiply
    1,230,762,400.80x = 1,846,143,601.20 × 369,119,392.80
  4. Step 4: Simplify right side
    1,230,762,400.80x = 681,447,405,096,549,376
  5. Step 5: Solve for x
    x = 681,447,405,096,549,376/1,230,762,400.80
  6. Step 6: Final answer
    x = 553,679,089.20

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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.