Home / 989,066,973.82-1,364,915,109.73-543,059,225.52

Finding the Fourth Proportional to 989,066,973.82, 1,364,915,109.73 and 543,059,225.52

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Solution

The fourth proportional to 989,066,973.82, 1,364,915,109.73 and 543,059,225.52 is: 749,423,205.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,066,973.82 : 1,364,915,109.73 = 543,059,225.52 : x
  2. Step 2: Convert to fraction form
    989,066,973.82/1,364,915,109.73 = 543,059,225.52/x
  3. Step 3: Cross multiply
    989,066,973.82x = 1,364,915,109.73 × 543,059,225.52
  4. Step 4: Simplify right side
    989,066,973.82x = 741,229,742,387,804,288
  5. Step 5: Solve for x
    x = 741,229,742,387,804,288/989,066,973.82
  6. Step 6: Final answer
    x = 749,423,205.92

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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.