Home / 18,398,862,640.43-25,390,380,257.63-10,260,674,890.83

Finding the Fourth Proportional to 18,398,862,640.43, 25,390,380,257.63 and 10,260,674,890.83

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Solution

The fourth proportional to 18,398,862,640.43, 25,390,380,257.63 and 10,260,674,890.83 is: 14,159,703,361.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,398,862,640.43 : 25,390,380,257.63 = 10,260,674,890.83 : x
  2. Step 2: Convert to fraction form
    18,398,862,640.43/25,390,380,257.63 = 10,260,674,890.83/x
  3. Step 3: Cross multiply
    18,398,862,640.43x = 25,390,380,257.63 × 10,260,674,890.83
  4. Step 4: Simplify right side
    18,398,862,640.43x = 260,522,437,178,038,583,296
  5. Step 5: Solve for x
    x = 260,522,437,178,038,583,296/18,398,862,640.43
  6. Step 6: Final answer
    x = 14,159,703,361.53

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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.