Home / 646,304,002.40-970,064,864.40-339,816,072.80

Finding the Fourth Proportional to 646,304,002.40, 970,064,864.40 and 339,816,072.80

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Solution

The fourth proportional to 646,304,002.40, 970,064,864.40 and 339,816,072.80 is: 510,044,238.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,304,002.40 : 970,064,864.40 = 339,816,072.80 : x
  2. Step 2: Convert to fraction form
    646,304,002.40/970,064,864.40 = 339,816,072.80/x
  3. Step 3: Cross multiply
    646,304,002.40x = 970,064,864.40 × 339,816,072.80
  4. Step 4: Simplify right side
    646,304,002.40x = 329,643,632,581,672,512
  5. Step 5: Solve for x
    x = 329,643,632,581,672,512/646,304,002.40
  6. Step 6: Final answer
    x = 510,044,238.25

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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.