Home / 18,942,808,374,110-28,420,331,881,080-8,762,165,026,389.20

Finding the Fourth Proportional to 18,942,808,374,110, 28,420,331,881,080 and 8,762,165,026,389.20

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Solution

The fourth proportional to 18,942,808,374,110, 28,420,331,881,080 and 8,762,165,026,389.20 is: 13,146,078,085,608.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,942,808,374,110 : 28,420,331,881,080 = 8,762,165,026,389.20 : x
  2. Step 2: Convert to fraction form
    18,942,808,374,110/28,420,331,881,080 = 8,762,165,026,389.20/x
  3. Step 3: Cross multiply
    18,942,808,374,110x = 28,420,331,881,080 × 8,762,165,026,389.20
  4. Step 4: Simplify right side
    18,942,808,374,110x = 249,023,638,046,773,174,102,654,976
  5. Step 5: Solve for x
    x = 249,023,638,046,773,174,102,654,976/18,942,808,374,110
  6. Step 6: Final answer
    x = 13,146,078,085,608.74

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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.