Home / 719,657,817.73-1,079,602,723.08-221,668,100.83

Finding the Fourth Proportional to 719,657,817.73, 1,079,602,723.08 and 221,668,100.83

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Solution

The fourth proportional to 719,657,817.73, 1,079,602,723.08 and 221,668,100.83 is: 332,537,880.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,657,817.73 : 1,079,602,723.08 = 221,668,100.83 : x
  2. Step 2: Convert to fraction form
    719,657,817.73/1,079,602,723.08 = 221,668,100.83/x
  3. Step 3: Cross multiply
    719,657,817.73x = 1,079,602,723.08 × 221,668,100.83
  4. Step 4: Simplify right side
    719,657,817.73x = 239,313,485,278,911,712
  5. Step 5: Solve for x
    x = 239,313,485,278,911,712/719,657,817.73
  6. Step 6: Final answer
    x = 332,537,880.34

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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.