Home / 284,036,984.40-426,055,476.60-146,287,477.20

Finding the Fourth Proportional to 284,036,984.40, 426,055,476.60 and 146,287,477.20

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Solution

The fourth proportional to 284,036,984.40, 426,055,476.60 and 146,287,477.20 is: 219,431,215.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,036,984.40 : 426,055,476.60 = 146,287,477.20 : x
  2. Step 2: Convert to fraction form
    284,036,984.40/426,055,476.60 = 146,287,477.20/x
  3. Step 3: Cross multiply
    284,036,984.40x = 426,055,476.60 × 146,287,477.20
  4. Step 4: Simplify right side
    284,036,984.40x = 62,326,580,819,057,632
  5. Step 5: Solve for x
    x = 62,326,580,819,057,632/284,036,984.40
  6. Step 6: Final answer
    x = 219,431,215.80

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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.