Home / 2,019,399,885.72-3,029,210,053.38-639,111,402.36

Finding the Fourth Proportional to 2,019,399,885.72, 3,029,210,053.38 and 639,111,402.36

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Solution

The fourth proportional to 2,019,399,885.72, 3,029,210,053.38 and 639,111,402.36 is: 958,701,988.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,019,399,885.72 : 3,029,210,053.38 = 639,111,402.36 : x
  2. Step 2: Convert to fraction form
    2,019,399,885.72/3,029,210,053.38 = 639,111,402.36/x
  3. Step 3: Cross multiply
    2,019,399,885.72x = 3,029,210,053.38 × 639,111,402.36
  4. Step 4: Simplify right side
    2,019,399,885.72x = 1,936,002,685,258,702,336
  5. Step 5: Solve for x
    x = 1,936,002,685,258,702,336/2,019,399,885.72
  6. Step 6: Final answer
    x = 958,701,988.12

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1.5x scale

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.