Home / 1,186,512,552.40-1,779,936,790.20-368,539,560.40

Finding the Fourth Proportional to 1,186,512,552.40, 1,779,936,790.20 and 368,539,560.40

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Solution

The fourth proportional to 1,186,512,552.40, 1,779,936,790.20 and 368,539,560.40 is: 552,861,510.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,512,552.40 : 1,779,936,790.20 = 368,539,560.40 : x
  2. Step 2: Convert to fraction form
    1,186,512,552.40/1,779,936,790.20 = 368,539,560.40/x
  3. Step 3: Cross multiply
    1,186,512,552.40x = 1,779,936,790.20 × 368,539,560.40
  4. Step 4: Simplify right side
    1,186,512,552.40x = 655,977,122,200,094,976
  5. Step 5: Solve for x
    x = 655,977,122,200,094,976/1,186,512,552.40
  6. Step 6: Final answer
    x = 552,861,510.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.