Home / 316,480,028.80-474,720,043.20-194,036,022.40

Finding the Fourth Proportional to 316,480,028.80, 474,720,043.20 and 194,036,022.40

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Solution

The fourth proportional to 316,480,028.80, 474,720,043.20 and 194,036,022.40 is: 291,054,033.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,480,028.80 : 474,720,043.20 = 194,036,022.40 : x
  2. Step 2: Convert to fraction form
    316,480,028.80/474,720,043.20 = 194,036,022.40/x
  3. Step 3: Cross multiply
    316,480,028.80x = 474,720,043.20 × 194,036,022.40
  4. Step 4: Simplify right side
    316,480,028.80x = 92,112,788,936,084,176
  5. Step 5: Solve for x
    x = 92,112,788,936,084,176/316,480,028.80
  6. Step 6: Final answer
    x = 291,054,033.60

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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.