Home / 570,816,000.40-856,224,000.60-398,629,116.40

Finding the Fourth Proportional to 570,816,000.40, 856,224,000.60 and 398,629,116.40

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Solution

The fourth proportional to 570,816,000.40, 856,224,000.60 and 398,629,116.40 is: 597,943,674.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,816,000.40 : 856,224,000.60 = 398,629,116.40 : x
  2. Step 2: Convert to fraction form
    570,816,000.40/856,224,000.60 = 398,629,116.40/x
  3. Step 3: Cross multiply
    570,816,000.40x = 856,224,000.60 × 398,629,116.40
  4. Step 4: Simplify right side
    570,816,000.40x = 341,315,816,799,651,072
  5. Step 5: Solve for x
    x = 341,315,816,799,651,072/570,816,000.40
  6. Step 6: Final answer
    x = 597,943,674.60

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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.