Home / 1,167,742,157.52-1,611,488,446.56-631,893,825.12

Finding the Fourth Proportional to 1,167,742,157.52, 1,611,488,446.56 and 631,893,825.12

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Solution

The fourth proportional to 1,167,742,157.52, 1,611,488,446.56 and 631,893,825.12 is: 872,015,788.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,167,742,157.52 : 1,611,488,446.56 = 631,893,825.12 : x
  2. Step 2: Convert to fraction form
    1,167,742,157.52/1,611,488,446.56 = 631,893,825.12/x
  3. Step 3: Cross multiply
    1,167,742,157.52x = 1,611,488,446.56 × 631,893,825.12
  4. Step 4: Simplify right side
    1,167,742,157.52x = 1,018,289,598,633,485,056
  5. Step 5: Solve for x
    x = 1,018,289,598,633,485,056/1,167,742,157.52
  6. Step 6: Final answer
    x = 872,015,788.82

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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.