Home / 12,936,402,485.20-19,404,605,590.20-3,121,750,133.20

Finding the Fourth Proportional to 12,936,402,485.20, 19,404,605,590.20 and 3,121,750,133.20

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Solution

The fourth proportional to 12,936,402,485.20, 19,404,605,590.20 and 3,121,750,133.20 is: 4,682,625,649.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,936,402,485.20 : 19,404,605,590.20 = 3,121,750,133.20 : x
  2. Step 2: Convert to fraction form
    12,936,402,485.20/19,404,605,590.20 = 3,121,750,133.20/x
  3. Step 3: Cross multiply
    12,936,402,485.20x = 19,404,605,590.20 × 3,121,750,133.20
  4. Step 4: Simplify right side
    12,936,402,485.20x = 60,576,330,085,900,312,576
  5. Step 5: Solve for x
    x = 60,576,330,085,900,312,576/12,936,402,485.20
  6. Step 6: Final answer
    x = 4,682,625,649.23

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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.