Home / 773,097,574.10-1,066,865,684.19-420,667,492.70

Finding the Fourth Proportional to 773,097,574.10, 1,066,865,684.19 and 420,667,492.70

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Solution

The fourth proportional to 773,097,574.10, 1,066,865,684.19 and 420,667,492.70 is: 580,516,260.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    773,097,574.10 : 1,066,865,684.19 = 420,667,492.70 : x
  2. Step 2: Convert to fraction form
    773,097,574.10/1,066,865,684.19 = 420,667,492.70/x
  3. Step 3: Cross multiply
    773,097,574.10x = 1,066,865,684.19 × 420,667,492.70
  4. Step 4: Simplify right side
    773,097,574.10x = 448,795,712,410,543,040
  5. Step 5: Solve for x
    x = 448,795,712,410,543,040/773,097,574.10
  6. Step 6: Final answer
    x = 580,516,260.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.