Home / 628,268,483.48-866,999,929.56-346,037,206.46

Finding the Fourth Proportional to 628,268,483.48, 866,999,929.56 and 346,037,206.46

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Solution

The fourth proportional to 628,268,483.48, 866,999,929.56 and 346,037,206.46 is: 477,525,518.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,268,483.48 : 866,999,929.56 = 346,037,206.46 : x
  2. Step 2: Convert to fraction form
    628,268,483.48/866,999,929.56 = 346,037,206.46/x
  3. Step 3: Cross multiply
    628,268,483.48x = 866,999,929.56 × 346,037,206.46
  4. Step 4: Simplify right side
    628,268,483.48x = 300,014,233,625,959,168
  5. Step 5: Solve for x
    x = 300,014,233,625,959,168/628,268,483.48
  6. Step 6: Final answer
    x = 477,525,518.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.