Home / 907,618,156.69-1,361,823,231.15-317,831,705.03

Finding the Fourth Proportional to 907,618,156.69, 1,361,823,231.15 and 317,831,705.03

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Solution

The fourth proportional to 907,618,156.69, 1,361,823,231.15 and 317,831,705.03 is: 476,886,228.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,618,156.69 : 1,361,823,231.15 = 317,831,705.03 : x
  2. Step 2: Convert to fraction form
    907,618,156.69/1,361,823,231.15 = 317,831,705.03/x
  3. Step 3: Cross multiply
    907,618,156.69x = 1,361,823,231.15 × 317,831,705.03
  4. Step 4: Simplify right side
    907,618,156.69x = 432,830,599,505,868,288
  5. Step 5: Solve for x
    x = 432,830,599,505,868,288/907,618,156.69
  6. Step 6: Final answer
    x = 476,886,228.33

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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.