Home / 515,868,541.92-773,659,172.88-170,849,072.16

Finding the Fourth Proportional to 515,868,541.92, 773,659,172.88 and 170,849,072.16

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Solution

The fourth proportional to 515,868,541.92, 773,659,172.88 and 170,849,072.16 is: 256,226,036.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,868,541.92 : 773,659,172.88 = 170,849,072.16 : x
  2. Step 2: Convert to fraction form
    515,868,541.92/773,659,172.88 = 170,849,072.16/x
  3. Step 3: Cross multiply
    515,868,541.92x = 773,659,172.88 × 170,849,072.16
  4. Step 4: Simplify right side
    515,868,541.92x = 132,178,951,854,621,024
  5. Step 5: Solve for x
    x = 132,178,951,854,621,024/515,868,541.92
  6. Step 6: Final answer
    x = 256,226,036.51

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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.