Home / 865,142,499.84-1,297,843,994.88-251,645,959.68

Finding the Fourth Proportional to 865,142,499.84, 1,297,843,994.88 and 251,645,959.68

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Solution

The fourth proportional to 865,142,499.84, 1,297,843,994.88 and 251,645,959.68 is: 377,506,824.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,142,499.84 : 1,297,843,994.88 = 251,645,959.68 : x
  2. Step 2: Convert to fraction form
    865,142,499.84/1,297,843,994.88 = 251,645,959.68/x
  3. Step 3: Cross multiply
    865,142,499.84x = 1,297,843,994.88 × 251,645,959.68
  4. Step 4: Simplify right side
    865,142,499.84x = 326,597,197,606,502,656
  5. Step 5: Solve for x
    x = 326,597,197,606,502,656/865,142,499.84
  6. Step 6: Final answer
    x = 377,506,824.21

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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.