Home / 446,488,051.80-669,732,077.70-323,406,316.20

Finding the Fourth Proportional to 446,488,051.80, 669,732,077.70 and 323,406,316.20

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Solution

The fourth proportional to 446,488,051.80, 669,732,077.70 and 323,406,316.20 is: 485,109,474.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,488,051.80 : 669,732,077.70 = 323,406,316.20 : x
  2. Step 2: Convert to fraction form
    446,488,051.80/669,732,077.70 = 323,406,316.20/x
  3. Step 3: Cross multiply
    446,488,051.80x = 669,732,077.70 × 323,406,316.20
  4. Step 4: Simplify right side
    446,488,051.80x = 216,595,584,089,929,184
  5. Step 5: Solve for x
    x = 216,595,584,089,929,184/446,488,051.80
  6. Step 6: Final answer
    x = 485,109,474.30

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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.