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Finding the Fourth Proportional to 298,935,638.40, 448,403,457.60 and 183,546,019.20

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Solution

The fourth proportional to 298,935,638.40, 448,403,457.60 and 183,546,019.20 is: 275,319,028.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,935,638.40 : 448,403,457.60 = 183,546,019.20 : x
  2. Step 2: Convert to fraction form
    298,935,638.40/448,403,457.60 = 183,546,019.20/x
  3. Step 3: Cross multiply
    298,935,638.40x = 448,403,457.60 × 183,546,019.20
  4. Step 4: Simplify right side
    298,935,638.40x = 82,302,669,637,995,984
  5. Step 5: Solve for x
    x = 82,302,669,637,995,984/298,935,638.40
  6. Step 6: Final answer
    x = 275,319,028.80

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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.