Home / 919,328,571.40-1,378,992,857.10-804,537,315.40

Finding the Fourth Proportional to 919,328,571.40, 1,378,992,857.10 and 804,537,315.40

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Solution

The fourth proportional to 919,328,571.40, 1,378,992,857.10 and 804,537,315.40 is: 1,206,805,973.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,328,571.40 : 1,378,992,857.10 = 804,537,315.40 : x
  2. Step 2: Convert to fraction form
    919,328,571.40/1,378,992,857.10 = 804,537,315.40/x
  3. Step 3: Cross multiply
    919,328,571.40x = 1,378,992,857.10 × 804,537,315.40
  4. Step 4: Simplify right side
    919,328,571.40x = 1,109,451,211,207,009,664
  5. Step 5: Solve for x
    x = 1,109,451,211,207,009,664/919,328,571.40
  6. Step 6: Final answer
    x = 1,206,805,973.10

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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.