Home / 398,962,311.60-597,939,582.60-194,049,159.60

Finding the Fourth Proportional to 398,962,311.60, 597,939,582.60 and 194,049,159.60

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Solution

The fourth proportional to 398,962,311.60, 597,939,582.60 and 194,049,159.60 is: 290,828,657.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,962,311.60 : 597,939,582.60 = 194,049,159.60 : x
  2. Step 2: Convert to fraction form
    398,962,311.60/597,939,582.60 = 194,049,159.60/x
  3. Step 3: Cross multiply
    398,962,311.60x = 597,939,582.60 × 194,049,159.60
  4. Step 4: Simplify right side
    398,962,311.60x = 116,029,673,495,104,784
  5. Step 5: Solve for x
    x = 116,029,673,495,104,784/398,962,311.60
  6. Step 6: Final answer
    x = 290,828,657.55

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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.