Home / 907,618,172.04-1,361,823,254.15-317,831,720.35

Finding the Fourth Proportional to 907,618,172.04, 1,361,823,254.15 and 317,831,720.35

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Solution

The fourth proportional to 907,618,172.04, 1,361,823,254.15 and 317,831,720.35 is: 476,886,251.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,618,172.04 : 1,361,823,254.15 = 317,831,720.35 : x
  2. Step 2: Convert to fraction form
    907,618,172.04/1,361,823,254.15 = 317,831,720.35/x
  3. Step 3: Cross multiply
    907,618,172.04x = 1,361,823,254.15 × 317,831,720.35
  4. Step 4: Simplify right side
    907,618,172.04x = 432,830,627,679,129,856
  5. Step 5: Solve for x
    x = 432,830,627,679,129,856/907,618,172.04
  6. Step 6: Final answer
    x = 476,886,251.30

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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.