Home / 3,021,128,269.36-4,138,960,497.57-2,907,897,094.28

Finding the Fourth Proportional to 3,021,128,269.36, 4,138,960,497.57 and 2,907,897,094.28

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Solution

The fourth proportional to 3,021,128,269.36, 4,138,960,497.57 and 2,907,897,094.28 is: 3,983,833,234.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,021,128,269.36 : 4,138,960,497.57 = 2,907,897,094.28 : x
  2. Step 2: Convert to fraction form
    3,021,128,269.36/4,138,960,497.57 = 2,907,897,094.28/x
  3. Step 3: Cross multiply
    3,021,128,269.36x = 4,138,960,497.57 × 2,907,897,094.28
  4. Step 4: Simplify right side
    3,021,128,269.36x = 12,035,671,204,223,506,432
  5. Step 5: Solve for x
    x = 12,035,671,204,223,506,432/3,021,128,269.36
  6. Step 6: Final answer
    x = 3,983,833,234.19

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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.