Home / 509,414,211.16-763,341,899.58-342,800,694.16

Finding the Fourth Proportional to 509,414,211.16, 763,341,899.58 and 342,800,694.16

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Solution

The fourth proportional to 509,414,211.16, 763,341,899.58 and 342,800,694.16 is: 513,676,547.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,414,211.16 : 763,341,899.58 = 342,800,694.16 : x
  2. Step 2: Convert to fraction form
    509,414,211.16/763,341,899.58 = 342,800,694.16/x
  3. Step 3: Cross multiply
    509,414,211.16x = 763,341,899.58 × 342,800,694.16
  4. Step 4: Simplify right side
    509,414,211.16x = 261,674,133,057,437,056
  5. Step 5: Solve for x
    x = 261,674,133,057,437,056/509,414,211.16
  6. Step 6: Final answer
    x = 513,676,547.15

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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.