Home / 536,309,779.20-804,464,668.80-478,488,998.40

Finding the Fourth Proportional to 536,309,779.20, 804,464,668.80 and 478,488,998.40

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Solution

The fourth proportional to 536,309,779.20, 804,464,668.80 and 478,488,998.40 is: 717,733,497.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,309,779.20 : 804,464,668.80 = 478,488,998.40 : x
  2. Step 2: Convert to fraction form
    536,309,779.20/804,464,668.80 = 478,488,998.40/x
  3. Step 3: Cross multiply
    536,309,779.20x = 804,464,668.80 × 478,488,998.40
  4. Step 4: Simplify right side
    536,309,779.20x = 384,927,493,622,299,712
  5. Step 5: Solve for x
    x = 384,927,493,622,299,712/536,309,779.20
  6. Step 6: Final answer
    x = 717,733,497.60

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1.5x scale

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.