Home / 18,398,862,532.36-25,390,380,109.44-10,260,674,782.72

Finding the Fourth Proportional to 18,398,862,532.36, 25,390,380,109.44 and 10,260,674,782.72

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Solution

The fourth proportional to 18,398,862,532.36, 25,390,380,109.44 and 10,260,674,782.72 is: 14,159,703,212.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,398,862,532.36 : 25,390,380,109.44 = 10,260,674,782.72 : x
  2. Step 2: Convert to fraction form
    18,398,862,532.36/25,390,380,109.44 = 10,260,674,782.72/x
  3. Step 3: Cross multiply
    18,398,862,532.36x = 25,390,380,109.44 × 10,260,674,782.72
  4. Step 4: Simplify right side
    18,398,862,532.36x = 260,522,432,912,606,461,952
  5. Step 5: Solve for x
    x = 260,522,432,912,606,461,952/18,398,862,532.36
  6. Step 6: Final answer
    x = 14,159,703,212.87

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1.5x scale

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.