Home / 1,876,139,905,682-2,588,930,981,968.80-1,052,917,872,170.20

Finding the Fourth Proportional to 1,876,139,905,682, 2,588,930,981,968.80 and 1,052,917,872,170.20

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Solution

The fourth proportional to 1,876,139,905,682, 2,588,930,981,968.80 and 1,052,917,872,170.20 is: 1,452,946,921,748.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,876,139,905,682 : 2,588,930,981,968.80 = 1,052,917,872,170.20 : x
  2. Step 2: Convert to fraction form
    1,876,139,905,682/2,588,930,981,968.80 = 1,052,917,872,170.20/x
  3. Step 3: Cross multiply
    1,876,139,905,682x = 2,588,930,981,968.80 × 1,052,917,872,170.20
  4. Step 4: Simplify right side
    1,876,139,905,682x = 2,725,931,700,730,094,837,301,248
  5. Step 5: Solve for x
    x = 2,725,931,700,730,094,837,301,248/1,876,139,905,682
  6. Step 6: Final answer
    x = 1,452,946,921,748.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.