Home / 669,362,965.70-1,004,044,448.55-238,385,941.70

Finding the Fourth Proportional to 669,362,965.70, 1,004,044,448.55 and 238,385,941.70

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Solution

The fourth proportional to 669,362,965.70, 1,004,044,448.55 and 238,385,941.70 is: 357,578,912.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,362,965.70 : 1,004,044,448.55 = 238,385,941.70 : x
  2. Step 2: Convert to fraction form
    669,362,965.70/1,004,044,448.55 = 238,385,941.70/x
  3. Step 3: Cross multiply
    669,362,965.70x = 1,004,044,448.55 × 238,385,941.70
  4. Step 4: Simplify right side
    669,362,965.70x = 239,350,081,376,248,928
  5. Step 5: Solve for x
    x = 239,350,081,376,248,928/669,362,965.70
  6. Step 6: Final answer
    x = 357,578,912.55

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Double scale
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Similar ratio
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1.5x scale

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.