Home / 826,970,772,575.62-1,240,458,486,012-317,185,803,989.40

Finding the Fourth Proportional to 826,970,772,575.62, 1,240,458,486,012 and 317,185,803,989.40

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Solution

The fourth proportional to 826,970,772,575.62, 1,240,458,486,012 and 317,185,803,989.40 is: 475,779,598,565.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,970,772,575.62 : 1,240,458,486,012 = 317,185,803,989.40 : x
  2. Step 2: Convert to fraction form
    826,970,772,575.62/1,240,458,486,012 = 317,185,803,989.40/x
  3. Step 3: Cross multiply
    826,970,772,575.62x = 1,240,458,486,012 × 317,185,803,989.40
  4. Step 4: Simplify right side
    826,970,772,575.62x = 393,455,822,201,190,164,201,472
  5. Step 5: Solve for x
    x = 393,455,822,201,190,164,201,472/826,970,772,575.62
  6. Step 6: Final answer
    x = 475,779,598,565.21

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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.