Home / 885,789,145.80-1,222,365,329.46-489,303,602.28

Finding the Fourth Proportional to 885,789,145.80, 1,222,365,329.46 and 489,303,602.28

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Solution

The fourth proportional to 885,789,145.80, 1,222,365,329.46 and 489,303,602.28 is: 675,225,884.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,789,145.80 : 1,222,365,329.46 = 489,303,602.28 : x
  2. Step 2: Convert to fraction form
    885,789,145.80/1,222,365,329.46 = 489,303,602.28/x
  3. Step 3: Cross multiply
    885,789,145.80x = 1,222,365,329.46 × 489,303,602.28
  4. Step 4: Simplify right side
    885,789,145.80x = 598,107,759,006,956,928
  5. Step 5: Solve for x
    x = 598,107,759,006,956,928/885,789,145.80
  6. Step 6: Final answer
    x = 675,225,884.00

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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.