Home / 559,820,866.40-839,115,440.40-196,128,015.20

Finding the Fourth Proportional to 559,820,866.40, 839,115,440.40 and 196,128,015.20

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Solution

The fourth proportional to 559,820,866.40, 839,115,440.40 and 196,128,015.20 is: 293,976,262.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,820,866.40 : 839,115,440.40 = 196,128,015.20 : x
  2. Step 2: Convert to fraction form
    559,820,866.40/839,115,440.40 = 196,128,015.20/x
  3. Step 3: Cross multiply
    559,820,866.40x = 839,115,440.40 × 196,128,015.20
  4. Step 4: Simplify right side
    559,820,866.40x = 164,574,045,849,325,888
  5. Step 5: Solve for x
    x = 164,574,045,849,325,888/559,820,866.40
  6. Step 6: Final answer
    x = 293,976,262.28

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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.