Home / 872,293,972.63-1,308,452,355.86-290,028,218.16

Finding the Fourth Proportional to 872,293,972.63, 1,308,452,355.86 and 290,028,218.16

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Solution

The fourth proportional to 872,293,972.63, 1,308,452,355.86 and 290,028,218.16 is: 435,046,116.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,293,972.63 : 1,308,452,355.86 = 290,028,218.16 : x
  2. Step 2: Convert to fraction form
    872,293,972.63/1,308,452,355.86 = 290,028,218.16/x
  3. Step 3: Cross multiply
    872,293,972.63x = 1,308,452,355.86 × 290,028,218.16
  4. Step 4: Simplify right side
    872,293,972.63x = 379,488,105,315,879,936
  5. Step 5: Solve for x
    x = 379,488,105,315,879,936/872,293,972.63
  6. Step 6: Final answer
    x = 435,046,116.59

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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.