Home / 298,971,090,982.47-448,457,799,944.74-72,330,179,337.03

Finding the Fourth Proportional to 298,971,090,982.47, 448,457,799,944.74 and 72,330,179,337.03

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Solution

The fourth proportional to 298,971,090,982.47, 448,457,799,944.74 and 72,330,179,337.03 is: 108,495,550,484.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,971,090,982.47 : 448,457,799,944.74 = 72,330,179,337.03 : x
  2. Step 2: Convert to fraction form
    298,971,090,982.47/448,457,799,944.74 = 72,330,179,337.03/x
  3. Step 3: Cross multiply
    298,971,090,982.47x = 448,457,799,944.74 × 72,330,179,337.03
  4. Step 4: Simplify right side
    298,971,090,982.47x = 32,437,033,095,092,965,998,592
  5. Step 5: Solve for x
    x = 32,437,033,095,092,965,998,592/298,971,090,982.47
  6. Step 6: Final answer
    x = 108,495,550,484.49

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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.