Home / 788,352,381.22-1,087,555,867.16-562,341,318.82

Finding the Fourth Proportional to 788,352,381.22, 1,087,555,867.16 and 562,341,318.82

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Solution

The fourth proportional to 788,352,381.22, 1,087,555,867.16 and 562,341,318.82 is: 775,766,795.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,352,381.22 : 1,087,555,867.16 = 562,341,318.82 : x
  2. Step 2: Convert to fraction form
    788,352,381.22/1,087,555,867.16 = 562,341,318.82/x
  3. Step 3: Cross multiply
    788,352,381.22x = 1,087,555,867.16 × 562,341,318.82
  4. Step 4: Simplify right side
    788,352,381.22x = 611,577,600,629,183,232
  5. Step 5: Solve for x
    x = 611,577,600,629,183,232/788,352,381.22
  6. Step 6: Final answer
    x = 775,766,795.66

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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.