Home / 1,186,512,400.40-1,779,936,562.20-368,539,408.40

Finding the Fourth Proportional to 1,186,512,400.40, 1,779,936,562.20 and 368,539,408.40

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Solution

The fourth proportional to 1,186,512,400.40, 1,779,936,562.20 and 368,539,408.40 is: 552,861,282.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,512,400.40 : 1,779,936,562.20 = 368,539,408.40 : x
  2. Step 2: Convert to fraction form
    1,186,512,400.40/1,779,936,562.20 = 368,539,408.40/x
  3. Step 3: Cross multiply
    1,186,512,400.40x = 1,779,936,562.20 × 368,539,408.40
  4. Step 4: Simplify right side
    1,186,512,400.40x = 655,976,767,622,717,824
  5. Step 5: Solve for x
    x = 655,976,767,622,717,824/1,186,512,400.40
  6. Step 6: Final answer
    x = 552,861,282.70

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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.