Home / 603,814,534.40-905,721,801.60-258,803,037.20

Finding the Fourth Proportional to 603,814,534.40, 905,721,801.60 and 258,803,037.20

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Solution

The fourth proportional to 603,814,534.40, 905,721,801.60 and 258,803,037.20 is: 388,204,555.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,814,534.40 : 905,721,801.60 = 258,803,037.20 : x
  2. Step 2: Convert to fraction form
    603,814,534.40/905,721,801.60 = 258,803,037.20/x
  3. Step 3: Cross multiply
    603,814,534.40x = 905,721,801.60 × 258,803,037.20
  4. Step 4: Simplify right side
    603,814,534.40x = 234,403,553,112,335,808
  5. Step 5: Solve for x
    x = 234,403,553,112,335,808/603,814,534.40
  6. Step 6: Final answer
    x = 388,204,555.80

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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.