Home / 851,038,632.36-1,174,382,698.77-493,778,732.58

Finding the Fourth Proportional to 851,038,632.36, 1,174,382,698.77 and 493,778,732.58

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Solution

The fourth proportional to 851,038,632.36, 1,174,382,698.77 and 493,778,732.58 is: 681,385,284.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,038,632.36 : 1,174,382,698.77 = 493,778,732.58 : x
  2. Step 2: Convert to fraction form
    851,038,632.36/1,174,382,698.77 = 493,778,732.58/x
  3. Step 3: Cross multiply
    851,038,632.36x = 1,174,382,698.77 × 493,778,732.58
  4. Step 4: Simplify right side
    851,038,632.36x = 579,885,200,562,530,432
  5. Step 5: Solve for x
    x = 579,885,200,562,530,432/851,038,632.36
  6. Step 6: Final answer
    x = 681,385,284.42

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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.