Home / 1,178,362,281.24-1,767,479,349.78-360,474,582.24

Finding the Fourth Proportional to 1,178,362,281.24, 1,767,479,349.78 and 360,474,582.24

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Solution

The fourth proportional to 1,178,362,281.24, 1,767,479,349.78 and 360,474,582.24 is: 540,692,272.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,178,362,281.24 : 1,767,479,349.78 = 360,474,582.24 : x
  2. Step 2: Convert to fraction form
    1,178,362,281.24/1,767,479,349.78 = 360,474,582.24/x
  3. Step 3: Cross multiply
    1,178,362,281.24x = 1,767,479,349.78 × 360,474,582.24
  4. Step 4: Simplify right side
    1,178,362,281.24x = 637,131,380,229,772,288
  5. Step 5: Solve for x
    x = 637,131,380,229,772,288/1,178,362,281.24
  6. Step 6: Final answer
    x = 540,692,272.97

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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.