Home / 746,638,955.90-1,030,207,938.61-429,037,836.83

Finding the Fourth Proportional to 746,638,955.90, 1,030,207,938.61 and 429,037,836.83

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Solution

The fourth proportional to 746,638,955.90, 1,030,207,938.61 and 429,037,836.83 is: 591,983,825.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,638,955.90 : 1,030,207,938.61 = 429,037,836.83 : x
  2. Step 2: Convert to fraction form
    746,638,955.90/1,030,207,938.61 = 429,037,836.83/x
  3. Step 3: Cross multiply
    746,638,955.90x = 1,030,207,938.61 × 429,037,836.83
  4. Step 4: Simplify right side
    746,638,955.90x = 441,998,185,467,830,720
  5. Step 5: Solve for x
    x = 441,998,185,467,830,720/746,638,955.90
  6. Step 6: Final answer
    x = 591,983,825.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.