Home / 848,566,407.89-1,171,013,182.26-472,216,549.34

Finding the Fourth Proportional to 848,566,407.89, 1,171,013,182.26 and 472,216,549.34

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Solution

The fourth proportional to 848,566,407.89, 1,171,013,182.26 and 472,216,549.34 is: 651,654,129.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    848,566,407.89 : 1,171,013,182.26 = 472,216,549.34 : x
  2. Step 2: Convert to fraction form
    848,566,407.89/1,171,013,182.26 = 472,216,549.34/x
  3. Step 3: Cross multiply
    848,566,407.89x = 1,171,013,182.26 × 472,216,549.34
  4. Step 4: Simplify right side
    848,566,407.89x = 552,971,804,158,469,696
  5. Step 5: Solve for x
    x = 552,971,804,158,469,696/848,566,407.89
  6. Step 6: Final answer
    x = 651,654,129.86

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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.