Home / 816,186,419.20-1,224,607,718.40-331,550,156.80

Finding the Fourth Proportional to 816,186,419.20, 1,224,607,718.40 and 331,550,156.80

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Solution

The fourth proportional to 816,186,419.20, 1,224,607,718.40 and 331,550,156.80 is: 497,458,511.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,186,419.20 : 1,224,607,718.40 = 331,550,156.80 : x
  2. Step 2: Convert to fraction form
    816,186,419.20/1,224,607,718.40 = 331,550,156.80/x
  3. Step 3: Cross multiply
    816,186,419.20x = 1,224,607,718.40 × 331,550,156.80
  4. Step 4: Simplify right side
    816,186,419.20x = 406,018,881,054,010,304
  5. Step 5: Solve for x
    x = 406,018,881,054,010,304/816,186,419.20
  6. Step 6: Final answer
    x = 497,458,511.32

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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.