Home / 528,869,268.86-793,307,283.81-155,375,627.21

Finding the Fourth Proportional to 528,869,268.86, 793,307,283.81 and 155,375,627.21

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Solution

The fourth proportional to 528,869,268.86, 793,307,283.81 and 155,375,627.21 is: 233,064,433.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,869,268.86 : 793,307,283.81 = 155,375,627.21 : x
  2. Step 2: Convert to fraction form
    528,869,268.86/793,307,283.81 = 155,375,627.21/x
  3. Step 3: Cross multiply
    528,869,268.86x = 793,307,283.81 × 155,375,627.21
  4. Step 4: Simplify right side
    528,869,268.86x = 123,260,616,788,273,696
  5. Step 5: Solve for x
    x = 123,260,616,788,273,696/528,869,268.86
  6. Step 6: Final answer
    x = 233,064,433.97

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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.