Home / 507,853,468,007.52-700,837,900,245.95-279,482,709,993.49

Finding the Fourth Proportional to 507,853,468,007.52, 700,837,900,245.95 and 279,482,709,993.49

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Solution

The fourth proportional to 507,853,468,007.52, 700,837,900,245.95 and 279,482,709,993.49 is: 385,686,202,745.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,853,468,007.52 : 700,837,900,245.95 = 279,482,709,993.49 : x
  2. Step 2: Convert to fraction form
    507,853,468,007.52/700,837,900,245.95 = 279,482,709,993.49/x
  3. Step 3: Cross multiply
    507,853,468,007.52x = 700,837,900,245.95 × 279,482,709,993.49
  4. Step 4: Simplify right side
    507,853,468,007.52x = 195,872,075,626,885,295,374,336
  5. Step 5: Solve for x
    x = 195,872,075,626,885,295,374,336/507,853,468,007.52
  6. Step 6: Final answer
    x = 385,686,202,745.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.