Home / 525,884,800.60-788,827,200.90-321,811,456.60

Finding the Fourth Proportional to 525,884,800.60, 788,827,200.90 and 321,811,456.60

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Solution

The fourth proportional to 525,884,800.60, 788,827,200.90 and 321,811,456.60 is: 482,717,184.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,884,800.60 : 788,827,200.90 = 321,811,456.60 : x
  2. Step 2: Convert to fraction form
    525,884,800.60/788,827,200.90 = 321,811,456.60/x
  3. Step 3: Cross multiply
    525,884,800.60x = 788,827,200.90 × 321,811,456.60
  4. Step 4: Simplify right side
    525,884,800.60x = 253,853,630,527,329,856
  5. Step 5: Solve for x
    x = 253,853,630,527,329,856/525,884,800.60
  6. Step 6: Final answer
    x = 482,717,184.90

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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.