Home / 620,339,885.04-856,196,074.08-369,591,168

Finding the Fourth Proportional to 620,339,885.04, 856,196,074.08 and 369,591,168

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Solution

The fourth proportional to 620,339,885.04, 856,196,074.08 and 369,591,168 is: 510,111,496.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,339,885.04 : 856,196,074.08 = 369,591,168 : x
  2. Step 2: Convert to fraction form
    620,339,885.04/856,196,074.08 = 369,591,168/x
  3. Step 3: Cross multiply
    620,339,885.04x = 856,196,074.08 × 369,591,168
  4. Step 4: Simplify right side
    620,339,885.04x = 316,442,507,056,241,728
  5. Step 5: Solve for x
    x = 316,442,507,056,241,728/620,339,885.04
  6. Step 6: Final answer
    x = 510,111,496.44

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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.