Home / 559,821,482.40-839,116,364.40-196,128,631.20

Finding the Fourth Proportional to 559,821,482.40, 839,116,364.40 and 196,128,631.20

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Solution

The fourth proportional to 559,821,482.40, 839,116,364.40 and 196,128,631.20 is: 293,977,185.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,821,482.40 : 839,116,364.40 = 196,128,631.20 : x
  2. Step 2: Convert to fraction form
    559,821,482.40/839,116,364.40 = 196,128,631.20/x
  3. Step 3: Cross multiply
    559,821,482.40x = 839,116,364.40 × 196,128,631.20
  4. Step 4: Simplify right side
    559,821,482.40x = 164,574,743,967,292,384
  5. Step 5: Solve for x
    x = 164,574,743,967,292,384/559,821,482.40
  6. Step 6: Final answer
    x = 293,977,185.84

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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.