Home / 344,964,138,870.40-517,446,208,305.60-210,874,346,972.80

Finding the Fourth Proportional to 344,964,138,870.40, 517,446,208,305.60 and 210,874,346,972.80

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Solution

The fourth proportional to 344,964,138,870.40, 517,446,208,305.60 and 210,874,346,972.80 is: 316,311,520,459.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,964,138,870.40 : 517,446,208,305.60 = 210,874,346,972.80 : x
  2. Step 2: Convert to fraction form
    344,964,138,870.40/517,446,208,305.60 = 210,874,346,972.80/x
  3. Step 3: Cross multiply
    344,964,138,870.40x = 517,446,208,305.60 × 210,874,346,972.80
  4. Step 4: Simplify right side
    344,964,138,870.40x = 109,116,131,269,994,830,888,960
  5. Step 5: Solve for x
    x = 109,116,131,269,994,830,888,960/344,964,138,870.40
  6. Step 6: Final answer
    x = 316,311,520,459.20

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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.