Home / 848,566,406.89-1,171,013,180.88-472,216,548.34

Finding the Fourth Proportional to 848,566,406.89, 1,171,013,180.88 and 472,216,548.34

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Solution

The fourth proportional to 848,566,406.89, 1,171,013,180.88 and 472,216,548.34 is: 651,654,128.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    848,566,406.89 : 1,171,013,180.88 = 472,216,548.34 : x
  2. Step 2: Convert to fraction form
    848,566,406.89/1,171,013,180.88 = 472,216,548.34/x
  3. Step 3: Cross multiply
    848,566,406.89x = 1,171,013,180.88 × 472,216,548.34
  4. Step 4: Simplify right side
    848,566,406.89x = 552,971,802,335,797,696
  5. Step 5: Solve for x
    x = 552,971,802,335,797,696/848,566,406.89
  6. Step 6: Final answer
    x = 651,654,128.48

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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.