Home / 816,186,443.20-1,224,607,754.40-331,550,180.80

Finding the Fourth Proportional to 816,186,443.20, 1,224,607,754.40 and 331,550,180.80

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Solution

The fourth proportional to 816,186,443.20, 1,224,607,754.40 and 331,550,180.80 is: 497,458,547.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,186,443.20 : 1,224,607,754.40 = 331,550,180.80 : x
  2. Step 2: Convert to fraction form
    816,186,443.20/1,224,607,754.40 = 331,550,180.80/x
  3. Step 3: Cross multiply
    816,186,443.20x = 1,224,607,754.40 × 331,550,180.80
  4. Step 4: Simplify right side
    816,186,443.20x = 406,018,922,380,402,048
  5. Step 5: Solve for x
    x = 406,018,922,380,402,048/816,186,443.20
  6. Step 6: Final answer
    x = 497,458,547.32

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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.