Home / 3,985,460,995.17-5,975,878,638.72-1,886,919,785.34

Finding the Fourth Proportional to 3,985,460,995.17, 5,975,878,638.72 and 1,886,919,785.34

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Solution

The fourth proportional to 3,985,460,995.17, 5,975,878,638.72 and 1,886,919,785.34 is: 2,829,284,655.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,985,460,995.17 : 5,975,878,638.72 = 1,886,919,785.34 : x
  2. Step 2: Convert to fraction form
    3,985,460,995.17/5,975,878,638.72 = 1,886,919,785.34/x
  3. Step 3: Cross multiply
    3,985,460,995.17x = 5,975,878,638.72 × 1,886,919,785.34
  4. Step 4: Simplify right side
    3,985,460,995.17x = 11,276,003,638,191,433,728
  5. Step 5: Solve for x
    x = 11,276,003,638,191,433,728/3,985,460,995.17
  6. Step 6: Final answer
    x = 2,829,284,655.37

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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.