Home / 407,643,665.48-610,860,836.16-299,409,210.44

Finding the Fourth Proportional to 407,643,665.48, 610,860,836.16 and 299,409,210.44

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Solution

The fourth proportional to 407,643,665.48, 610,860,836.16 and 299,409,210.44 is: 448,669,698.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,643,665.48 : 610,860,836.16 = 299,409,210.44 : x
  2. Step 2: Convert to fraction form
    407,643,665.48/610,860,836.16 = 299,409,210.44/x
  3. Step 3: Cross multiply
    407,643,665.48x = 610,860,836.16 × 299,409,210.44
  4. Step 4: Simplify right side
    407,643,665.48x = 182,897,360,643,383,776
  5. Step 5: Solve for x
    x = 182,897,360,643,383,776/407,643,665.48
  6. Step 6: Final answer
    x = 448,669,698.89

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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.