Home / 485,713,341.44-670,289,729.28-265,696,769.60

Finding the Fourth Proportional to 485,713,341.44, 670,289,729.28 and 265,696,769.60

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Solution

The fourth proportional to 485,713,341.44, 670,289,729.28 and 265,696,769.60 is: 366,664,451.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,713,341.44 : 670,289,729.28 = 265,696,769.60 : x
  2. Step 2: Convert to fraction form
    485,713,341.44/670,289,729.28 = 265,696,769.60/x
  3. Step 3: Cross multiply
    485,713,341.44x = 670,289,729.28 × 265,696,769.60
  4. Step 4: Simplify right side
    485,713,341.44x = 178,093,815,765,754,528
  5. Step 5: Solve for x
    x = 178,093,815,765,754,528/485,713,341.44
  6. Step 6: Final answer
    x = 366,664,451.17

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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.