Home / 782,433,009.20-1,173,649,513.80-552,850,497.20

Finding the Fourth Proportional to 782,433,009.20, 1,173,649,513.80 and 552,850,497.20

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Solution

The fourth proportional to 782,433,009.20, 1,173,649,513.80 and 552,850,497.20 is: 829,275,745.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,433,009.20 : 1,173,649,513.80 = 552,850,497.20 : x
  2. Step 2: Convert to fraction form
    782,433,009.20/1,173,649,513.80 = 552,850,497.20/x
  3. Step 3: Cross multiply
    782,433,009.20x = 1,173,649,513.80 × 552,850,497.20
  4. Step 4: Simplify right side
    782,433,009.20x = 648,852,717,242,868,352
  5. Step 5: Solve for x
    x = 648,852,717,242,868,352/782,433,009.20
  6. Step 6: Final answer
    x = 829,275,745.80

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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.