Home / 655,927,398.38-983,892,965.33-189,626,782.46

Finding the Fourth Proportional to 655,927,398.38, 983,892,965.33 and 189,626,782.46

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Solution

The fourth proportional to 655,927,398.38, 983,892,965.33 and 189,626,782.46 is: 284,440,713.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,927,398.38 : 983,892,965.33 = 189,626,782.46 : x
  2. Step 2: Convert to fraction form
    655,927,398.38/983,892,965.33 = 189,626,782.46/x
  3. Step 3: Cross multiply
    655,927,398.38x = 983,892,965.33 × 189,626,782.46
  4. Step 4: Simplify right side
    655,927,398.38x = 186,572,457,296,110,848
  5. Step 5: Solve for x
    x = 186,572,457,296,110,848/655,927,398.38
  6. Step 6: Final answer
    x = 284,440,713.65

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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.