Home / 1,170,422,061.23-1,754,404,129.06-393,798,098.68

Finding the Fourth Proportional to 1,170,422,061.23, 1,754,404,129.06 and 393,798,098.68

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Solution

The fourth proportional to 1,170,422,061.23, 1,754,404,129.06 and 393,798,098.68 is: 590,283,653.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,170,422,061.23 : 1,754,404,129.06 = 393,798,098.68 : x
  2. Step 2: Convert to fraction form
    1,170,422,061.23/1,754,404,129.06 = 393,798,098.68/x
  3. Step 3: Cross multiply
    1,170,422,061.23x = 1,754,404,129.06 × 393,798,098.68
  4. Step 4: Simplify right side
    1,170,422,061.23x = 690,881,010,329,428,352
  5. Step 5: Solve for x
    x = 690,881,010,329,428,352/1,170,422,061.23
  6. Step 6: Final answer
    x = 590,283,653.41

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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.