Home / 818,636,968.40-1,227,955,452.60-450,029,490.80

Finding the Fourth Proportional to 818,636,968.40, 1,227,955,452.60 and 450,029,490.80

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Solution

The fourth proportional to 818,636,968.40, 1,227,955,452.60 and 450,029,490.80 is: 675,044,236.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,636,968.40 : 1,227,955,452.60 = 450,029,490.80 : x
  2. Step 2: Convert to fraction form
    818,636,968.40/1,227,955,452.60 = 450,029,490.80/x
  3. Step 3: Cross multiply
    818,636,968.40x = 1,227,955,452.60 × 450,029,490.80
  4. Step 4: Simplify right side
    818,636,968.40x = 552,616,167,058,661,504
  5. Step 5: Solve for x
    x = 552,616,167,058,661,504/818,636,968.40
  6. Step 6: Final answer
    x = 675,044,236.20

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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.