Home / 818,637,008.40-1,227,955,512.60-450,029,530.80

Finding the Fourth Proportional to 818,637,008.40, 1,227,955,512.60 and 450,029,530.80

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Solution

The fourth proportional to 818,637,008.40, 1,227,955,512.60 and 450,029,530.80 is: 675,044,296.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,637,008.40 : 1,227,955,512.60 = 450,029,530.80 : x
  2. Step 2: Convert to fraction form
    818,637,008.40/1,227,955,512.60 = 450,029,530.80/x
  3. Step 3: Cross multiply
    818,637,008.40x = 1,227,955,512.60 × 450,029,530.80
  4. Step 4: Simplify right side
    818,637,008.40x = 552,616,243,178,651,456
  5. Step 5: Solve for x
    x = 552,616,243,178,651,456/818,637,008.40
  6. Step 6: Final answer
    x = 675,044,296.20

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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.