Home / 3,021,128,270.36-4,138,960,498.94-2,907,897,095.28

Finding the Fourth Proportional to 3,021,128,270.36, 4,138,960,498.94 and 2,907,897,095.28

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Solution

The fourth proportional to 3,021,128,270.36, 4,138,960,498.94 and 2,907,897,095.28 is: 3,983,833,235.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,021,128,270.36 : 4,138,960,498.94 = 2,907,897,095.28 : x
  2. Step 2: Convert to fraction form
    3,021,128,270.36/4,138,960,498.94 = 2,907,897,095.28/x
  3. Step 3: Cross multiply
    3,021,128,270.36x = 4,138,960,498.94 × 2,907,897,095.28
  4. Step 4: Simplify right side
    3,021,128,270.36x = 12,035,671,212,346,286,080
  5. Step 5: Solve for x
    x = 12,035,671,212,346,286,080/3,021,128,270.36
  6. Step 6: Final answer
    x = 3,983,833,235.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.