Home / 995,153,527.13-1,373,809,049.91-618,931,385.73

Finding the Fourth Proportional to 995,153,527.13, 1,373,809,049.91 and 618,931,385.73

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Solution

The fourth proportional to 995,153,527.13, 1,373,809,049.91 and 618,931,385.73 is: 854,434,532.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    995,153,527.13 : 1,373,809,049.91 = 618,931,385.73 : x
  2. Step 2: Convert to fraction form
    995,153,527.13/1,373,809,049.91 = 618,931,385.73/x
  3. Step 3: Cross multiply
    995,153,527.13x = 1,373,809,049.91 × 618,931,385.73
  4. Step 4: Simplify right side
    995,153,527.13x = 850,293,538,989,211,136
  5. Step 5: Solve for x
    x = 850,293,538,989,211,136/995,153,527.13
  6. Step 6: Final answer
    x = 854,434,532.78

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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.