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Finding the Fourth Proportional to 298,971,201.60, 448,456,802.40 and 276,012,950.40

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Solution

The fourth proportional to 298,971,201.60, 448,456,802.40 and 276,012,950.40 is: 414,019,425.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,971,201.60 : 448,456,802.40 = 276,012,950.40 : x
  2. Step 2: Convert to fraction form
    298,971,201.60/448,456,802.40 = 276,012,950.40/x
  3. Step 3: Cross multiply
    298,971,201.60x = 448,456,802.40 × 276,012,950.40
  4. Step 4: Simplify right side
    298,971,201.60x = 123,779,885,157,373,776
  5. Step 5: Solve for x
    x = 123,779,885,157,373,776/298,971,201.60
  6. Step 6: Final answer
    x = 414,019,425.60

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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.