Home / 841,889,322.88-1,161,814,783.20-465,571,374.48

Finding the Fourth Proportional to 841,889,322.88, 1,161,814,783.20 and 465,571,374.48

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Solution

The fourth proportional to 841,889,322.88, 1,161,814,783.20 and 465,571,374.48 is: 642,492,654.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,889,322.88 : 1,161,814,783.20 = 465,571,374.48 : x
  2. Step 2: Convert to fraction form
    841,889,322.88/1,161,814,783.20 = 465,571,374.48/x
  3. Step 3: Cross multiply
    841,889,322.88x = 1,161,814,783.20 × 465,571,374.48
  4. Step 4: Simplify right side
    841,889,322.88x = 540,907,705,505,607,232
  5. Step 5: Solve for x
    x = 540,907,705,505,607,232/841,889,322.88
  6. Step 6: Final answer
    x = 642,492,654.09

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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.