Home / 456,093,670.40-684,140,505.60-398,698,042.40

Finding the Fourth Proportional to 456,093,670.40, 684,140,505.60 and 398,698,042.40

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Solution

The fourth proportional to 456,093,670.40, 684,140,505.60 and 398,698,042.40 is: 598,047,063.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,093,670.40 : 684,140,505.60 = 398,698,042.40 : x
  2. Step 2: Convert to fraction form
    456,093,670.40/684,140,505.60 = 398,698,042.40/x
  3. Step 3: Cross multiply
    456,093,670.40x = 684,140,505.60 × 398,698,042.40
  4. Step 4: Simplify right side
    456,093,670.40x = 272,765,480,309,266,240
  5. Step 5: Solve for x
    x = 272,765,480,309,266,240/456,093,670.40
  6. Step 6: Final answer
    x = 598,047,063.60

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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.