Home / 774,026,265.60-1,068,157,708.80-421,601,164.80

Finding the Fourth Proportional to 774,026,265.60, 1,068,157,708.80 and 421,601,164.80

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Solution

The fourth proportional to 774,026,265.60, 1,068,157,708.80 and 421,601,164.80 is: 581,810,403.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,026,265.60 : 1,068,157,708.80 = 421,601,164.80 : x
  2. Step 2: Convert to fraction form
    774,026,265.60/1,068,157,708.80 = 421,601,164.80/x
  3. Step 3: Cross multiply
    774,026,265.60x = 1,068,157,708.80 × 421,601,164.80
  4. Step 4: Simplify right side
    774,026,265.60x = 450,336,534,220,179,200
  5. Step 5: Solve for x
    x = 450,336,534,220,179,200/774,026,265.60
  6. Step 6: Final answer
    x = 581,810,403.90

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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.