Home / 665,311,845.53-918,093,220.13-363,837,665.27

Finding the Fourth Proportional to 665,311,845.53, 918,093,220.13 and 363,837,665.27

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Solution

The fourth proportional to 665,311,845.53, 918,093,220.13 and 363,837,665.27 is: 502,075,674.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,311,845.53 : 918,093,220.13 = 363,837,665.27 : x
  2. Step 2: Convert to fraction form
    665,311,845.53/918,093,220.13 = 363,837,665.27/x
  3. Step 3: Cross multiply
    665,311,845.53x = 918,093,220.13 × 363,837,665.27
  4. Step 4: Simplify right side
    665,311,845.53x = 334,036,893,710,496,192
  5. Step 5: Solve for x
    x = 334,036,893,710,496,192/665,311,845.53
  6. Step 6: Final answer
    x = 502,075,674.67

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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.