Home / 826,970,772,576.90-1,240,458,486,013.90-317,185,803,990.65

Finding the Fourth Proportional to 826,970,772,576.90, 1,240,458,486,013.90 and 317,185,803,990.65

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Solution

The fourth proportional to 826,970,772,576.90, 1,240,458,486,013.90 and 317,185,803,990.65 is: 475,779,598,567.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,970,772,576.90 : 1,240,458,486,013.90 = 317,185,803,990.65 : x
  2. Step 2: Convert to fraction form
    826,970,772,576.90/1,240,458,486,013.90 = 317,185,803,990.65/x
  3. Step 3: Cross multiply
    826,970,772,576.90x = 1,240,458,486,013.90 × 317,185,803,990.65
  4. Step 4: Simplify right side
    826,970,772,576.90x = 393,455,822,203,343,352,102,912
  5. Step 5: Solve for x
    x = 393,455,822,203,343,352,102,912/826,970,772,576.90
  6. Step 6: Final answer
    x = 475,779,598,567.08

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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.