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Finding the Fourth Proportional to 504,709,368.60, 757,134,911.70 and 159,627,012.60

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Solution

The fourth proportional to 504,709,368.60, 757,134,911.70 and 159,627,012.60 is: 239,462,929.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,709,368.60 : 757,134,911.70 = 159,627,012.60 : x
  2. Step 2: Convert to fraction form
    504,709,368.60/757,134,911.70 = 159,627,012.60/x
  3. Step 3: Cross multiply
    504,709,368.60x = 757,134,911.70 × 159,627,012.60
  4. Step 4: Simplify right side
    504,709,368.60x = 120,859,184,089,835,792
  5. Step 5: Solve for x
    x = 120,859,184,089,835,792/504,709,368.60
  6. Step 6: Final answer
    x = 239,462,929.77

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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.