Home / 436,501,386,728.80-654,752,080,093.20-213,054,679,938.40

Finding the Fourth Proportional to 436,501,386,728.80, 654,752,080,093.20 and 213,054,679,938.40

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Solution

The fourth proportional to 436,501,386,728.80, 654,752,080,093.20 and 213,054,679,938.40 is: 319,582,019,907.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,501,386,728.80 : 654,752,080,093.20 = 213,054,679,938.40 : x
  2. Step 2: Convert to fraction form
    436,501,386,728.80/654,752,080,093.20 = 213,054,679,938.40/x
  3. Step 3: Cross multiply
    436,501,386,728.80x = 654,752,080,093.20 × 213,054,679,938.40
  4. Step 4: Simplify right side
    436,501,386,728.80x = 139,497,994,863,258,349,076,480
  5. Step 5: Solve for x
    x = 139,497,994,863,258,349,076,480/436,501,386,728.80
  6. Step 6: Final answer
    x = 319,582,019,907.60

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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.