Home / 903,516,864,126.05-1,355,454,162,257-258,127,985,676.48

Finding the Fourth Proportional to 903,516,864,126.05, 1,355,454,162,257 and 258,127,985,676.48

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Solution

The fourth proportional to 903,516,864,126.05, 1,355,454,162,257 and 258,127,985,676.48 is: 387,243,079,207.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,516,864,126.05 : 1,355,454,162,257 = 258,127,985,676.48 : x
  2. Step 2: Convert to fraction form
    903,516,864,126.05/1,355,454,162,257 = 258,127,985,676.48/x
  3. Step 3: Cross multiply
    903,516,864,126.05x = 1,355,454,162,257 × 258,127,985,676.48
  4. Step 4: Simplify right side
    903,516,864,126.05x = 349,880,652,580,200,128,708,608
  5. Step 5: Solve for x
    x = 349,880,652,580,200,128,708,608/903,516,864,126.05
  6. Step 6: Final answer
    x = 387,243,079,207.64

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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.