Home / 100,622,382,386.40-150,805,390,010.40-53,481,439,922.40

Finding the Fourth Proportional to 100,622,382,386.40, 150,805,390,010.40 and 53,481,439,922.40

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Solution

The fourth proportional to 100,622,382,386.40, 150,805,390,010.40 and 53,481,439,922.40 is: 80,154,029,496.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,622,382,386.40 : 150,805,390,010.40 = 53,481,439,922.40 : x
  2. Step 2: Convert to fraction form
    100,622,382,386.40/150,805,390,010.40 = 53,481,439,922.40/x
  3. Step 3: Cross multiply
    100,622,382,386.40x = 150,805,390,010.40 × 53,481,439,922.40
  4. Step 4: Simplify right side
    100,622,382,386.40x = 8,065,289,405,815,308,943,360
  5. Step 5: Solve for x
    x = 8,065,289,405,815,308,943,360/100,622,382,386.40
  6. Step 6: Final answer
    x = 80,154,029,496.58

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1.5x scale

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.