Home / 626,868,468.20-940,435,412.70-190,133,287.40

Finding the Fourth Proportional to 626,868,468.20, 940,435,412.70 and 190,133,287.40

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Solution

The fourth proportional to 626,868,468.20, 940,435,412.70 and 190,133,287.40 is: 285,240,183.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,868,468.20 : 940,435,412.70 = 190,133,287.40 : x
  2. Step 2: Convert to fraction form
    626,868,468.20/940,435,412.70 = 190,133,287.40/x
  3. Step 3: Cross multiply
    626,868,468.20x = 940,435,412.70 × 190,133,287.40
  4. Step 4: Simplify right side
    626,868,468.20x = 178,808,076,604,026,720
  5. Step 5: Solve for x
    x = 178,808,076,604,026,720/626,868,468.20
  6. Step 6: Final answer
    x = 285,240,183.03

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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.