Home / 774,310,236.16-1,068,534,671.04-421,889,123.20

Finding the Fourth Proportional to 774,310,236.16, 1,068,534,671.04 and 421,889,123.20

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Solution

The fourth proportional to 774,310,236.16, 1,068,534,671.04 and 421,889,123.20 is: 582,199,659.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,310,236.16 : 1,068,534,671.04 = 421,889,123.20 : x
  2. Step 2: Convert to fraction form
    774,310,236.16/1,068,534,671.04 = 421,889,123.20/x
  3. Step 3: Cross multiply
    774,310,236.16x = 1,068,534,671.04 × 421,889,123.20
  4. Step 4: Simplify right side
    774,310,236.16x = 450,803,155,473,865,984
  5. Step 5: Solve for x
    x = 450,803,155,473,865,984/774,310,236.16
  6. Step 6: Final answer
    x = 582,199,659.03

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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.