Home / 1,170,072,402.30-1,755,368,419.05-393,696,150.30

Finding the Fourth Proportional to 1,170,072,402.30, 1,755,368,419.05 and 393,696,150.30

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Solution

The fourth proportional to 1,170,072,402.30, 1,755,368,419.05 and 393,696,150.30 is: 590,631,646.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,170,072,402.30 : 1,755,368,419.05 = 393,696,150.30 : x
  2. Step 2: Convert to fraction form
    1,170,072,402.30/1,755,368,419.05 = 393,696,150.30/x
  3. Step 3: Cross multiply
    1,170,072,402.30x = 1,755,368,419.05 × 393,696,150.30
  4. Step 4: Simplify right side
    1,170,072,402.30x = 691,081,788,938,182,144
  5. Step 5: Solve for x
    x = 691,081,788,938,182,144/1,170,072,402.30
  6. Step 6: Final answer
    x = 590,631,646.02

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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.