Home / 528,624,000.60-792,936,000.90-321,999,739.80

Finding the Fourth Proportional to 528,624,000.60, 792,936,000.90 and 321,999,739.80

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Solution

The fourth proportional to 528,624,000.60, 792,936,000.90 and 321,999,739.80 is: 482,999,609.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,624,000.60 : 792,936,000.90 = 321,999,739.80 : x
  2. Step 2: Convert to fraction form
    528,624,000.60/792,936,000.90 = 321,999,739.80/x
  3. Step 3: Cross multiply
    528,624,000.60x = 792,936,000.90 × 321,999,739.80
  4. Step 4: Simplify right side
    528,624,000.60x = 255,325,185,967,852,576
  5. Step 5: Solve for x
    x = 255,325,185,967,852,576/528,624,000.60
  6. Step 6: Final answer
    x = 482,999,609.70

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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.