Home / 525,885,001.60-788,827,502.40-321,811,657.60

Finding the Fourth Proportional to 525,885,001.60, 788,827,502.40 and 321,811,657.60

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Solution

The fourth proportional to 525,885,001.60, 788,827,502.40 and 321,811,657.60 is: 482,717,486.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,885,001.60 : 788,827,502.40 = 321,811,657.60 : x
  2. Step 2: Convert to fraction form
    525,885,001.60/788,827,502.40 = 321,811,657.60/x
  3. Step 3: Cross multiply
    525,885,001.60x = 788,827,502.40 × 321,811,657.60
  4. Step 4: Simplify right side
    525,885,001.60x = 253,853,886,107,812,000
  5. Step 5: Solve for x
    x = 253,853,886,107,812,000/525,885,001.60
  6. Step 6: Final answer
    x = 482,717,486.40

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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.