Home / 712,976,008.49-1,068,709,199.62-239,824,619.87

Finding the Fourth Proportional to 712,976,008.49, 1,068,709,199.62 and 239,824,619.87

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Solution

The fourth proportional to 712,976,008.49, 1,068,709,199.62 and 239,824,619.87 is: 359,483,032.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,976,008.49 : 1,068,709,199.62 = 239,824,619.87 : x
  2. Step 2: Convert to fraction form
    712,976,008.49/1,068,709,199.62 = 239,824,619.87/x
  3. Step 3: Cross multiply
    712,976,008.49x = 1,068,709,199.62 × 239,824,619.87
  4. Step 4: Simplify right side
    712,976,008.49x = 256,302,777,550,438,464
  5. Step 5: Solve for x
    x = 256,302,777,550,438,464/712,976,008.49
  6. Step 6: Final answer
    x = 359,483,032.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.