Home / 456,779,209.56-630,338,996.57-258,536,447.64

Finding the Fourth Proportional to 456,779,209.56, 630,338,996.57 and 258,536,447.64

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Solution

The fourth proportional to 456,779,209.56, 630,338,996.57 and 258,536,447.64 is: 356,771,064.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,779,209.56 : 630,338,996.57 = 258,536,447.64 : x
  2. Step 2: Convert to fraction form
    456,779,209.56/630,338,996.57 = 258,536,447.64/x
  3. Step 3: Cross multiply
    456,779,209.56x = 630,338,996.57 × 258,536,447.64
  4. Step 4: Simplify right side
    456,779,209.56x = 162,965,604,980,081,824
  5. Step 5: Solve for x
    x = 162,965,604,980,081,824/456,779,209.56
  6. Step 6: Final answer
    x = 356,771,064.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.