Home / 366,909,729.60-550,364,594.40-338,849,644.80

Finding the Fourth Proportional to 366,909,729.60, 550,364,594.40 and 338,849,644.80

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Solution

The fourth proportional to 366,909,729.60, 550,364,594.40 and 338,849,644.80 is: 508,274,467.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,909,729.60 : 550,364,594.40 = 338,849,644.80 : x
  2. Step 2: Convert to fraction form
    366,909,729.60/550,364,594.40 = 338,849,644.80/x
  3. Step 3: Cross multiply
    366,909,729.60x = 550,364,594.40 × 338,849,644.80
  4. Step 4: Simplify right side
    366,909,729.60x = 186,490,847,322,936,064
  5. Step 5: Solve for x
    x = 186,490,847,322,936,064/366,909,729.60
  6. Step 6: Final answer
    x = 508,274,467.20

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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.