Home / 723,087,427.93-997,871,584.12-405,618,047.67

Finding the Fourth Proportional to 723,087,427.93, 997,871,584.12 and 405,618,047.67

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Solution

The fourth proportional to 723,087,427.93, 997,871,584.12 and 405,618,047.67 is: 559,759,039.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,087,427.93 : 997,871,584.12 = 405,618,047.67 : x
  2. Step 2: Convert to fraction form
    723,087,427.93/997,871,584.12 = 405,618,047.67/x
  3. Step 3: Cross multiply
    723,087,427.93x = 997,871,584.12 × 405,618,047.67
  4. Step 4: Simplify right side
    723,087,427.93x = 404,754,723,775,524,032
  5. Step 5: Solve for x
    x = 404,754,723,775,524,032/723,087,427.93
  6. Step 6: Final answer
    x = 559,759,039.00

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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.