Home / 1,165,674,327.57-1,748,319,967.56-418,535,433.40

Finding the Fourth Proportional to 1,165,674,327.57, 1,748,319,967.56 and 418,535,433.40

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Solution

The fourth proportional to 1,165,674,327.57, 1,748,319,967.56 and 418,535,433.40 is: 627,734,383.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,165,674,327.57 : 1,748,319,967.56 = 418,535,433.40 : x
  2. Step 2: Convert to fraction form
    1,165,674,327.57/1,748,319,967.56 = 418,535,433.40/x
  3. Step 3: Cross multiply
    1,165,674,327.57x = 1,748,319,967.56 × 418,535,433.40
  4. Step 4: Simplify right side
    1,165,674,327.57x = 731,733,855,344,598,528
  5. Step 5: Solve for x
    x = 731,733,855,344,598,528/1,165,674,327.57
  6. Step 6: Final answer
    x = 627,734,383.47

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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.