Home / 872,293,977.75-1,308,452,363.54-290,028,223.29

Finding the Fourth Proportional to 872,293,977.75, 1,308,452,363.54 and 290,028,223.29

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Solution

The fourth proportional to 872,293,977.75, 1,308,452,363.54 and 290,028,223.29 is: 435,046,124.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,293,977.75 : 1,308,452,363.54 = 290,028,223.29 : x
  2. Step 2: Convert to fraction form
    872,293,977.75/1,308,452,363.54 = 290,028,223.29/x
  3. Step 3: Cross multiply
    872,293,977.75x = 1,308,452,363.54 × 290,028,223.29
  4. Step 4: Simplify right side
    872,293,977.75x = 379,488,114,255,657,280
  5. Step 5: Solve for x
    x = 379,488,114,255,657,280/872,293,977.75
  6. Step 6: Final answer
    x = 435,046,124.28

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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.