Home / 685,586,206.95-1,028,241,816.44-335,681,515.95

Finding the Fourth Proportional to 685,586,206.95, 1,028,241,816.44 and 335,681,515.95

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Solution

The fourth proportional to 685,586,206.95, 1,028,241,816.44 and 335,681,515.95 is: 503,454,953.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    685,586,206.95 : 1,028,241,816.44 = 335,681,515.95 : x
  2. Step 2: Convert to fraction form
    685,586,206.95/1,028,241,816.44 = 335,681,515.95/x
  3. Step 3: Cross multiply
    685,586,206.95x = 1,028,241,816.44 × 335,681,515.95
  4. Step 4: Simplify right side
    685,586,206.95x = 345,161,771,704,082,368
  5. Step 5: Solve for x
    x = 345,161,771,704,082,368/685,586,206.95
  6. Step 6: Final answer
    x = 503,454,953.16

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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.