Home / 779,183,549.20-1,075,274,345.96-421,951,948.93

Finding the Fourth Proportional to 779,183,549.20, 1,075,274,345.96 and 421,951,948.93

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Solution

The fourth proportional to 779,183,549.20, 1,075,274,345.96 and 421,951,948.93 is: 582,294,257.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,183,549.20 : 1,075,274,345.96 = 421,951,948.93 : x
  2. Step 2: Convert to fraction form
    779,183,549.20/1,075,274,345.96 = 421,951,948.93/x
  3. Step 3: Cross multiply
    779,183,549.20x = 1,075,274,345.96 × 421,951,948.93
  4. Step 4: Simplify right side
    779,183,549.20x = 453,714,105,912,253,120
  5. Step 5: Solve for x
    x = 453,714,105,912,253,120/779,183,549.20
  6. Step 6: Final answer
    x = 582,294,257.08

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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.