Home / 1,913,918,317-2,870,877,472.28-459,895,741

Finding the Fourth Proportional to 1,913,918,317, 2,870,877,472.28 and 459,895,741

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Solution

The fourth proportional to 1,913,918,317, 2,870,877,472.28 and 459,895,741 is: 689,843,610.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,913,918,317 : 2,870,877,472.28 = 459,895,741 : x
  2. Step 2: Convert to fraction form
    1,913,918,317/2,870,877,472.28 = 459,895,741/x
  3. Step 3: Cross multiply
    1,913,918,317x = 2,870,877,472.28 × 459,895,741
  4. Step 4: Simplify right side
    1,913,918,317x = 1,320,304,322,434,417,664
  5. Step 5: Solve for x
    x = 1,320,304,322,434,417,664/1,913,918,317
  6. Step 6: Final answer
    x = 689,843,610.73

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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.