Home / 268,629,293.40-402,943,940.10-247,130,208.60

Finding the Fourth Proportional to 268,629,293.40, 402,943,940.10 and 247,130,208.60

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Solution

The fourth proportional to 268,629,293.40, 402,943,940.10 and 247,130,208.60 is: 370,695,312.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,629,293.40 : 402,943,940.10 = 247,130,208.60 : x
  2. Step 2: Convert to fraction form
    268,629,293.40/402,943,940.10 = 247,130,208.60/x
  3. Step 3: Cross multiply
    268,629,293.40x = 402,943,940.10 × 247,130,208.60
  4. Step 4: Simplify right side
    268,629,293.40x = 99,579,619,971,018,912
  5. Step 5: Solve for x
    x = 99,579,619,971,018,912/268,629,293.40
  6. Step 6: Final answer
    x = 370,695,312.90

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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.