Home / 30,557,731,040.64-45,833,970,942.72-18,602,880,802.56

Finding the Fourth Proportional to 30,557,731,040.64, 45,833,970,942.72 and 18,602,880,802.56

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Solution

The fourth proportional to 30,557,731,040.64, 45,833,970,942.72 and 18,602,880,802.56 is: 27,902,722,784.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,557,731,040.64 : 45,833,970,942.72 = 18,602,880,802.56 : x
  2. Step 2: Convert to fraction form
    30,557,731,040.64/45,833,970,942.72 = 18,602,880,802.56/x
  3. Step 3: Cross multiply
    30,557,731,040.64x = 45,833,970,942.72 × 18,602,880,802.56
  4. Step 4: Simplify right side
    30,557,731,040.64x = 852,643,898,155,418,779,648
  5. Step 5: Solve for x
    x = 852,643,898,155,418,779,648/30,557,731,040.64
  6. Step 6: Final answer
    x = 27,902,722,784.67

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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.