Home / 398,962,386.60-597,939,695.10-194,049,234.60

Finding the Fourth Proportional to 398,962,386.60, 597,939,695.10 and 194,049,234.60

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Solution

The fourth proportional to 398,962,386.60, 597,939,695.10 and 194,049,234.60 is: 290,828,770.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,962,386.60 : 597,939,695.10 = 194,049,234.60 : x
  2. Step 2: Convert to fraction form
    398,962,386.60/597,939,695.10 = 194,049,234.60/x
  3. Step 3: Cross multiply
    398,962,386.60x = 597,939,695.10 × 194,049,234.60
  4. Step 4: Simplify right side
    398,962,386.60x = 116,029,740,171,112,368
  5. Step 5: Solve for x
    x = 116,029,740,171,112,368/398,962,386.60
  6. Step 6: Final answer
    x = 290,828,770.00

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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.