Home / 1,100,146,802.40-1,649,653,333.20-409,698,655.20

Finding the Fourth Proportional to 1,100,146,802.40, 1,649,653,333.20 and 409,698,655.20

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Solution

The fourth proportional to 1,100,146,802.40, 1,649,653,333.20 and 409,698,655.20 is: 614,336,878.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,146,802.40 : 1,649,653,333.20 = 409,698,655.20 : x
  2. Step 2: Convert to fraction form
    1,100,146,802.40/1,649,653,333.20 = 409,698,655.20/x
  3. Step 3: Cross multiply
    1,100,146,802.40x = 1,649,653,333.20 × 409,698,655.20
  4. Step 4: Simplify right side
    1,100,146,802.40x = 675,860,752,158,237,568
  5. Step 5: Solve for x
    x = 675,860,752,158,237,568/1,100,146,802.40
  6. Step 6: Final answer
    x = 614,336,878.21

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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.