Home / 727,939,750.10-1,091,909,625.15-404,823,622.10

Finding the Fourth Proportional to 727,939,750.10, 1,091,909,625.15 and 404,823,622.10

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Solution

The fourth proportional to 727,939,750.10, 1,091,909,625.15 and 404,823,622.10 is: 607,235,433.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,939,750.10 : 1,091,909,625.15 = 404,823,622.10 : x
  2. Step 2: Convert to fraction form
    727,939,750.10/1,091,909,625.15 = 404,823,622.10/x
  3. Step 3: Cross multiply
    727,939,750.10x = 1,091,909,625.15 × 404,823,622.10
  4. Step 4: Simplify right side
    727,939,750.10x = 442,030,809,459,076,352
  5. Step 5: Solve for x
    x = 442,030,809,459,076,352/727,939,750.10
  6. Step 6: Final answer
    x = 607,235,433.15

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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.