Home / 1,010,460,706.53-1,515,744,587.93-311,432,963.36

Finding the Fourth Proportional to 1,010,460,706.53, 1,515,744,587.93 and 311,432,963.36

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Solution

The fourth proportional to 1,010,460,706.53, 1,515,744,587.93 and 311,432,963.36 is: 467,165,942.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,460,706.53 : 1,515,744,587.93 = 311,432,963.36 : x
  2. Step 2: Convert to fraction form
    1,010,460,706.53/1,515,744,587.93 = 311,432,963.36/x
  3. Step 3: Cross multiply
    1,010,460,706.53x = 1,515,744,587.93 × 311,432,963.36
  4. Step 4: Simplify right side
    1,010,460,706.53x = 472,052,828,715,922,048
  5. Step 5: Solve for x
    x = 472,052,828,715,922,048/1,010,460,706.53
  6. Step 6: Final answer
    x = 467,165,942.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.