Home / 447,963,699.60-671,977,042.20-253,968,051.60

Finding the Fourth Proportional to 447,963,699.60, 671,977,042.20 and 253,968,051.60

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Solution

The fourth proportional to 447,963,699.60, 671,977,042.20 and 253,968,051.60 is: 380,969,931.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,963,699.60 : 671,977,042.20 = 253,968,051.60 : x
  2. Step 2: Convert to fraction form
    447,963,699.60/671,977,042.20 = 253,968,051.60/x
  3. Step 3: Cross multiply
    447,963,699.60x = 671,977,042.20 × 253,968,051.60
  4. Step 4: Simplify right side
    447,963,699.60x = 170,660,700,127,464,992
  5. Step 5: Solve for x
    x = 170,660,700,127,464,992/447,963,699.60
  6. Step 6: Final answer
    x = 380,969,931.89

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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.