Home / 525,884,723.60-788,827,085.40-321,811,379.60

Finding the Fourth Proportional to 525,884,723.60, 788,827,085.40 and 321,811,379.60

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Solution

The fourth proportional to 525,884,723.60, 788,827,085.40 and 321,811,379.60 is: 482,717,069.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,884,723.60 : 788,827,085.40 = 321,811,379.60 : x
  2. Step 2: Convert to fraction form
    525,884,723.60/788,827,085.40 = 321,811,379.60/x
  3. Step 3: Cross multiply
    525,884,723.60x = 788,827,085.40 × 321,811,379.60
  4. Step 4: Simplify right side
    525,884,723.60x = 253,853,532,618,421,024
  5. Step 5: Solve for x
    x = 253,853,532,618,421,024/525,884,723.60
  6. Step 6: Final answer
    x = 482,717,069.40

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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.