Home / 425,412,133.60-638,118,200.40-364,190,130.40

Finding the Fourth Proportional to 425,412,133.60, 638,118,200.40 and 364,190,130.40

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Solution

The fourth proportional to 425,412,133.60, 638,118,200.40 and 364,190,130.40 is: 546,285,195.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,412,133.60 : 638,118,200.40 = 364,190,130.40 : x
  2. Step 2: Convert to fraction form
    425,412,133.60/638,118,200.40 = 364,190,130.40/x
  3. Step 3: Cross multiply
    425,412,133.60x = 638,118,200.40 × 364,190,130.40
  4. Step 4: Simplify right side
    425,412,133.60x = 232,396,350,614,289,312
  5. Step 5: Solve for x
    x = 232,396,350,614,289,312/425,412,133.60
  6. Step 6: Final answer
    x = 546,285,195.60

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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.