Home / 18,398,862,531.36-25,390,380,108.06-10,260,674,781.72

Finding the Fourth Proportional to 18,398,862,531.36, 25,390,380,108.06 and 10,260,674,781.72

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Solution

The fourth proportional to 18,398,862,531.36, 25,390,380,108.06 and 10,260,674,781.72 is: 14,159,703,211.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,398,862,531.36 : 25,390,380,108.06 = 10,260,674,781.72 : x
  2. Step 2: Convert to fraction form
    18,398,862,531.36/25,390,380,108.06 = 10,260,674,781.72/x
  3. Step 3: Cross multiply
    18,398,862,531.36x = 25,390,380,108.06 × 10,260,674,781.72
  4. Step 4: Simplify right side
    18,398,862,531.36x = 260,522,432,873,056,370,688
  5. Step 5: Solve for x
    x = 260,522,432,873,056,370,688/18,398,862,531.36
  6. Step 6: Final answer
    x = 14,159,703,211.49

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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.