Home / 384,339,947.60-576,509,921.40-177,077,957.60

Finding the Fourth Proportional to 384,339,947.60, 576,509,921.40 and 177,077,957.60

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Solution

The fourth proportional to 384,339,947.60, 576,509,921.40 and 177,077,957.60 is: 265,616,936.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,339,947.60 : 576,509,921.40 = 177,077,957.60 : x
  2. Step 2: Convert to fraction form
    384,339,947.60/576,509,921.40 = 177,077,957.60/x
  3. Step 3: Cross multiply
    384,339,947.60x = 576,509,921.40 × 177,077,957.60
  4. Step 4: Simplify right side
    384,339,947.60x = 102,087,199,417,648,528
  5. Step 5: Solve for x
    x = 102,087,199,417,648,528/384,339,947.60
  6. Step 6: Final answer
    x = 265,616,936.40

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1.5x scale

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.