Home / 742,039,120.46-1,024,010,264.74-402,944,566.92

Finding the Fourth Proportional to 742,039,120.46, 1,024,010,264.74 and 402,944,566.92

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Solution

The fourth proportional to 742,039,120.46, 1,024,010,264.74 and 402,944,566.92 is: 556,061,481.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,039,120.46 : 1,024,010,264.74 = 402,944,566.92 : x
  2. Step 2: Convert to fraction form
    742,039,120.46/1,024,010,264.74 = 402,944,566.92/x
  3. Step 3: Cross multiply
    742,039,120.46x = 1,024,010,264.74 × 402,944,566.92
  4. Step 4: Simplify right side
    742,039,120.46x = 412,619,372,647,293,888
  5. Step 5: Solve for x
    x = 412,619,372,647,293,888/742,039,120.46
  6. Step 6: Final answer
    x = 556,061,481.49

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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.