Home / 463,602,190.40-695,403,285.60-279,936,180.80

Finding the Fourth Proportional to 463,602,190.40, 695,403,285.60 and 279,936,180.80

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Solution

The fourth proportional to 463,602,190.40, 695,403,285.60 and 279,936,180.80 is: 419,904,271.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,602,190.40 : 695,403,285.60 = 279,936,180.80 : x
  2. Step 2: Convert to fraction form
    463,602,190.40/695,403,285.60 = 279,936,180.80/x
  3. Step 3: Cross multiply
    463,602,190.40x = 695,403,285.60 × 279,936,180.80
  4. Step 4: Simplify right side
    463,602,190.40x = 194,668,539,886,635,648
  5. Step 5: Solve for x
    x = 194,668,539,886,635,648/463,602,190.40
  6. Step 6: Final answer
    x = 419,904,271.20

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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.