Home / 690,626,805.24-1,036,677,666.42-297,348,399.48

Finding the Fourth Proportional to 690,626,805.24, 1,036,677,666.42 and 297,348,399.48

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Solution

The fourth proportional to 690,626,805.24, 1,036,677,666.42 and 297,348,399.48 is: 446,340,110.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,626,805.24 : 1,036,677,666.42 = 297,348,399.48 : x
  2. Step 2: Convert to fraction form
    690,626,805.24/1,036,677,666.42 = 297,348,399.48/x
  3. Step 3: Cross multiply
    690,626,805.24x = 1,036,677,666.42 × 297,348,399.48
  4. Step 4: Simplify right side
    690,626,805.24x = 308,254,444,886,648,320
  5. Step 5: Solve for x
    x = 308,254,444,886,648,320/690,626,805.24
  6. Step 6: Final answer
    x = 446,340,110.97

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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.