Home / 674,778,438.47-1,012,212,069.83-176,801,146.81

Finding the Fourth Proportional to 674,778,438.47, 1,012,212,069.83 and 176,801,146.81

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Solution

The fourth proportional to 674,778,438.47, 1,012,212,069.83 and 176,801,146.81 is: 265,213,356.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,778,438.47 : 1,012,212,069.83 = 176,801,146.81 : x
  2. Step 2: Convert to fraction form
    674,778,438.47/1,012,212,069.83 = 176,801,146.81/x
  3. Step 3: Cross multiply
    674,778,438.47x = 1,012,212,069.83 × 176,801,146.81
  4. Step 4: Simplify right side
    674,778,438.47x = 178,960,254,757,453,280
  5. Step 5: Solve for x
    x = 178,960,254,757,453,280/674,778,438.47
  6. Step 6: Final answer
    x = 265,213,356.79

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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.