Home / 1,127,447,993.50-1,555,875,049.35-625,732,529.02

Finding the Fourth Proportional to 1,127,447,993.50, 1,555,875,049.35 and 625,732,529.02

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Solution

The fourth proportional to 1,127,447,993.50, 1,555,875,049.35 and 625,732,529.02 is: 863,509,124.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,447,993.50 : 1,555,875,049.35 = 625,732,529.02 : x
  2. Step 2: Convert to fraction form
    1,127,447,993.50/1,555,875,049.35 = 625,732,529.02/x
  3. Step 3: Cross multiply
    1,127,447,993.50x = 1,555,875,049.35 × 625,732,529.02
  4. Step 4: Simplify right side
    1,127,447,993.50x = 973,561,629,468,892,672
  5. Step 5: Solve for x
    x = 973,561,629,468,892,672/1,127,447,993.50
  6. Step 6: Final answer
    x = 863,509,124.22

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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.