Home / 398,784,130.60-598,176,195.90-168,676,738.60

Finding the Fourth Proportional to 398,784,130.60, 598,176,195.90 and 168,676,738.60

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Solution

The fourth proportional to 398,784,130.60, 598,176,195.90 and 168,676,738.60 is: 253,015,107.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,784,130.60 : 598,176,195.90 = 168,676,738.60 : x
  2. Step 2: Convert to fraction form
    398,784,130.60/598,176,195.90 = 168,676,738.60/x
  3. Step 3: Cross multiply
    398,784,130.60x = 598,176,195.90 × 168,676,738.60
  4. Step 4: Simplify right side
    398,784,130.60x = 100,898,409,832,566,688
  5. Step 5: Solve for x
    x = 100,898,409,832,566,688/398,784,130.60
  6. Step 6: Final answer
    x = 253,015,107.90

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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.