Home / 1,357,579,272.42-2,035,270,486.52-424,422,020.52

Finding the Fourth Proportional to 1,357,579,272.42, 2,035,270,486.52 and 424,422,020.52

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Solution

The fourth proportional to 1,357,579,272.42, 2,035,270,486.52 and 424,422,020.52 is: 636,289,629.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,357,579,272.42 : 2,035,270,486.52 = 424,422,020.52 : x
  2. Step 2: Convert to fraction form
    1,357,579,272.42/2,035,270,486.52 = 424,422,020.52/x
  3. Step 3: Cross multiply
    1,357,579,272.42x = 2,035,270,486.52 × 424,422,020.52
  4. Step 4: Simplify right side
    1,357,579,272.42x = 863,813,612,191,419,776
  5. Step 5: Solve for x
    x = 863,813,612,191,419,776/1,357,579,272.42
  6. Step 6: Final answer
    x = 636,289,629.45

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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.