Home / 486,456,971.08-671,310,982.02-263,440,383.88

Finding the Fourth Proportional to 486,456,971.08, 671,310,982.02 and 263,440,383.88

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Solution

The fourth proportional to 486,456,971.08, 671,310,982.02 and 263,440,383.88 is: 363,547,925.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,456,971.08 : 671,310,982.02 = 263,440,383.88 : x
  2. Step 2: Convert to fraction form
    486,456,971.08/671,310,982.02 = 263,440,383.88/x
  3. Step 3: Cross multiply
    486,456,971.08x = 671,310,982.02 × 263,440,383.88
  4. Step 4: Simplify right side
    486,456,971.08x = 176,850,422,806,208,576
  5. Step 5: Solve for x
    x = 176,850,422,806,208,576/486,456,971.08
  6. Step 6: Final answer
    x = 363,547,925.76

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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.