Home / 355,209,720.12-532,572,110.73-189,238,039.02

Finding the Fourth Proportional to 355,209,720.12, 532,572,110.73 and 189,238,039.02

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Solution

The fourth proportional to 355,209,720.12, 532,572,110.73 and 189,238,039.02 is: 283,727,882.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,209,720.12 : 532,572,110.73 = 189,238,039.02 : x
  2. Step 2: Convert to fraction form
    355,209,720.12/532,572,110.73 = 189,238,039.02/x
  3. Step 3: Cross multiply
    355,209,720.12x = 532,572,110.73 × 189,238,039.02
  4. Step 4: Simplify right side
    355,209,720.12x = 100,782,901,871,287,504
  5. Step 5: Solve for x
    x = 100,782,901,871,287,504/355,209,720.12
  6. Step 6: Final answer
    x = 283,727,882.89

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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.