Home / 841,889,336.37-1,161,814,801.85-465,571,387.97

Finding the Fourth Proportional to 841,889,336.37, 1,161,814,801.85 and 465,571,387.97

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Solution

The fourth proportional to 841,889,336.37, 1,161,814,801.85 and 465,571,387.97 is: 642,492,672.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,889,336.37 : 1,161,814,801.85 = 465,571,387.97 : x
  2. Step 2: Convert to fraction form
    841,889,336.37/1,161,814,801.85 = 465,571,387.97/x
  3. Step 3: Cross multiply
    841,889,336.37x = 1,161,814,801.85 × 465,571,387.97
  4. Step 4: Simplify right side
    841,889,336.37x = 540,907,729,861,395,008
  5. Step 5: Solve for x
    x = 540,907,729,861,395,008/841,889,336.37
  6. Step 6: Final answer
    x = 642,492,672.72

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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.