Home / 547,938,569.53-821,824,809.27-149,128,214.96

Finding the Fourth Proportional to 547,938,569.53, 821,824,809.27 and 149,128,214.96

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Solution

The fourth proportional to 547,938,569.53, 821,824,809.27 and 149,128,214.96 is: 223,669,720.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,938,569.53 : 821,824,809.27 = 149,128,214.96 : x
  2. Step 2: Convert to fraction form
    547,938,569.53/821,824,809.27 = 149,128,214.96/x
  3. Step 3: Cross multiply
    547,938,569.53x = 821,824,809.27 × 149,128,214.96
  4. Step 4: Simplify right side
    547,938,569.53x = 122,557,266,812,168,448
  5. Step 5: Solve for x
    x = 122,557,266,812,168,448/547,938,569.53
  6. Step 6: Final answer
    x = 223,669,720.71

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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.