Home / 782,433,007.20-1,173,649,510.80-552,850,495.20

Finding the Fourth Proportional to 782,433,007.20, 1,173,649,510.80 and 552,850,495.20

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Solution

The fourth proportional to 782,433,007.20, 1,173,649,510.80 and 552,850,495.20 is: 829,275,742.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,433,007.20 : 1,173,649,510.80 = 552,850,495.20 : x
  2. Step 2: Convert to fraction form
    782,433,007.20/1,173,649,510.80 = 552,850,495.20/x
  3. Step 3: Cross multiply
    782,433,007.20x = 1,173,649,510.80 × 552,850,495.20
  4. Step 4: Simplify right side
    782,433,007.20x = 648,852,713,237,017,728
  5. Step 5: Solve for x
    x = 648,852,713,237,017,728/782,433,007.20
  6. Step 6: Final answer
    x = 829,275,742.80

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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.