Home / 876,110,244.48-1,209,030,245.16-479,630,020.50

Finding the Fourth Proportional to 876,110,244.48, 1,209,030,245.16 and 479,630,020.50

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Solution

The fourth proportional to 876,110,244.48, 1,209,030,245.16 and 479,630,020.50 is: 661,888,392.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,110,244.48 : 1,209,030,245.16 = 479,630,020.50 : x
  2. Step 2: Convert to fraction form
    876,110,244.48/1,209,030,245.16 = 479,630,020.50/x
  3. Step 3: Cross multiply
    876,110,244.48x = 1,209,030,245.16 × 479,630,020.50
  4. Step 4: Simplify right side
    876,110,244.48x = 579,887,201,271,210,880
  5. Step 5: Solve for x
    x = 579,887,201,271,210,880/876,110,244.48
  6. Step 6: Final answer
    x = 661,888,392.39

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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.