Home / 486,315,809.89-671,107,805.75-263,295,708.50

Finding the Fourth Proportional to 486,315,809.89, 671,107,805.75 and 263,295,708.50

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Solution

The fourth proportional to 486,315,809.89, 671,107,805.75 and 263,295,708.50 is: 363,343,740.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,315,809.89 : 671,107,805.75 = 263,295,708.50 : x
  2. Step 2: Convert to fraction form
    486,315,809.89/671,107,805.75 = 263,295,708.50/x
  3. Step 3: Cross multiply
    486,315,809.89x = 671,107,805.75 × 263,295,708.50
  4. Step 4: Simplify right side
    486,315,809.89x = 176,699,805,197,162,656
  5. Step 5: Solve for x
    x = 176,699,805,197,162,656/486,315,809.89
  6. Step 6: Final answer
    x = 363,343,740.02

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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.