Home / 384,339,911.10-576,509,866.65-177,077,921.10

Finding the Fourth Proportional to 384,339,911.10, 576,509,866.65 and 177,077,921.10

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Solution

The fourth proportional to 384,339,911.10, 576,509,866.65 and 177,077,921.10 is: 265,616,881.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,339,911.10 : 576,509,866.65 = 177,077,921.10 : x
  2. Step 2: Convert to fraction form
    384,339,911.10/576,509,866.65 = 177,077,921.10/x
  3. Step 3: Cross multiply
    384,339,911.10x = 576,509,866.65 × 177,077,921.10
  4. Step 4: Simplify right side
    384,339,911.10x = 102,087,168,680,020,208
  5. Step 5: Solve for x
    x = 102,087,168,680,020,208/384,339,911.10
  6. Step 6: Final answer
    x = 265,616,881.65

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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.