Home / 774,343,269.77-1,068,580,257.93-421,922,156.40

Finding the Fourth Proportional to 774,343,269.77, 1,068,580,257.93 and 421,922,156.40

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Solution

The fourth proportional to 774,343,269.77, 1,068,580,257.93 and 421,922,156.40 is: 582,245,244.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,343,269.77 : 1,068,580,257.93 = 421,922,156.40 : x
  2. Step 2: Convert to fraction form
    774,343,269.77/1,068,580,257.93 = 421,922,156.40/x
  3. Step 3: Cross multiply
    774,343,269.77x = 1,068,580,257.93 × 421,922,156.40
  4. Step 4: Simplify right side
    774,343,269.77x = 450,857,686,712,293,760
  5. Step 5: Solve for x
    x = 450,857,686,712,293,760/774,343,269.77
  6. Step 6: Final answer
    x = 582,245,244.86

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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.