Home / 853,570,863.48-1,177,928,986.86-462,430,287.48

Finding the Fourth Proportional to 853,570,863.48, 1,177,928,986.86 and 462,430,287.48

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Solution

The fourth proportional to 853,570,863.48, 1,177,928,986.86 and 462,430,287.48 is: 638,154,444.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,570,863.48 : 1,177,928,986.86 = 462,430,287.48 : x
  2. Step 2: Convert to fraction form
    853,570,863.48/1,177,928,986.86 = 462,430,287.48/x
  3. Step 3: Cross multiply
    853,570,863.48x = 1,177,928,986.86 × 462,430,287.48
  4. Step 4: Simplify right side
    853,570,863.48x = 544,710,040,024,694,912
  5. Step 5: Solve for x
    x = 544,710,040,024,694,912/853,570,863.48
  6. Step 6: Final answer
    x = 638,154,444.26

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1.5x scale

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.