Home / 783,708,718.12-1,081,274,552.70-444,561,298.67

Finding the Fourth Proportional to 783,708,718.12, 1,081,274,552.70 and 444,561,298.67

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Solution

The fourth proportional to 783,708,718.12, 1,081,274,552.70 and 444,561,298.67 is: 613,356,478.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,708,718.12 : 1,081,274,552.70 = 444,561,298.67 : x
  2. Step 2: Convert to fraction form
    783,708,718.12/1,081,274,552.70 = 444,561,298.67/x
  3. Step 3: Cross multiply
    783,708,718.12x = 1,081,274,552.70 × 444,561,298.67
  4. Step 4: Simplify right side
    783,708,718.12x = 480,692,819,367,633,984
  5. Step 5: Solve for x
    x = 480,692,819,367,633,984/783,708,718.12
  6. Step 6: Final answer
    x = 613,356,478.31

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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.