Home / 841,889,335.37-1,161,814,800.47-465,571,386.97

Finding the Fourth Proportional to 841,889,335.37, 1,161,814,800.47 and 465,571,386.97

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Solution

The fourth proportional to 841,889,335.37, 1,161,814,800.47 and 465,571,386.97 is: 642,492,671.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,889,335.37 : 1,161,814,800.47 = 465,571,386.97 : x
  2. Step 2: Convert to fraction form
    841,889,335.37/1,161,814,800.47 = 465,571,386.97/x
  3. Step 3: Cross multiply
    841,889,335.37x = 1,161,814,800.47 × 465,571,386.97
  4. Step 4: Simplify right side
    841,889,335.37x = 540,907,728,051,859,264
  5. Step 5: Solve for x
    x = 540,907,728,051,859,264/841,889,335.37
  6. Step 6: Final answer
    x = 642,492,671.34

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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.