Home / 1,036,551,205.80-1,553,632,415.10-422,732,428.20

Finding the Fourth Proportional to 1,036,551,205.80, 1,553,632,415.10 and 422,732,428.20

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Solution

The fourth proportional to 1,036,551,205.80, 1,553,632,415.10 and 422,732,428.20 is: 633,611,537.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,551,205.80 : 1,553,632,415.10 = 422,732,428.20 : x
  2. Step 2: Convert to fraction form
    1,036,551,205.80/1,553,632,415.10 = 422,732,428.20/x
  3. Step 3: Cross multiply
    1,036,551,205.80x = 1,553,632,415.10 × 422,732,428.20
  4. Step 4: Simplify right side
    1,036,551,205.80x = 656,770,803,365,453,312
  5. Step 5: Solve for x
    x = 656,770,803,365,453,312/1,036,551,205.80
  6. Step 6: Final answer
    x = 633,611,537.66

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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.