Home / 852,638,040.50-1,176,644,038.84-461,497,464.50

Finding the Fourth Proportional to 852,638,040.50, 1,176,644,038.84 and 461,497,464.50

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Solution

The fourth proportional to 852,638,040.50, 1,176,644,038.84 and 461,497,464.50 is: 636,868,418.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,638,040.50 : 1,176,644,038.84 = 461,497,464.50 : x
  2. Step 2: Convert to fraction form
    852,638,040.50/1,176,644,038.84 = 461,497,464.50/x
  3. Step 3: Cross multiply
    852,638,040.50x = 1,176,644,038.84 × 461,497,464.50
  4. Step 4: Simplify right side
    852,638,040.50x = 543,018,240,543,699,456
  5. Step 5: Solve for x
    x = 543,018,240,543,699,456/852,638,040.50
  6. Step 6: Final answer
    x = 636,868,418.66

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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.