Home / 525,312,176.80-787,968,265.20-318,383,485.60

Finding the Fourth Proportional to 525,312,176.80, 787,968,265.20 and 318,383,485.60

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Solution

The fourth proportional to 525,312,176.80, 787,968,265.20 and 318,383,485.60 is: 477,575,228.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,312,176.80 : 787,968,265.20 = 318,383,485.60 : x
  2. Step 2: Convert to fraction form
    525,312,176.80/787,968,265.20 = 318,383,485.60/x
  3. Step 3: Cross multiply
    525,312,176.80x = 787,968,265.20 × 318,383,485.60
  4. Step 4: Simplify right side
    525,312,176.80x = 250,876,082,816,561,216
  5. Step 5: Solve for x
    x = 250,876,082,816,561,216/525,312,176.80
  6. Step 6: Final answer
    x = 477,575,228.40

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1.5x scale

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.