Home / 256,220,976.60-384,331,464.90-244,316,698.20

Finding the Fourth Proportional to 256,220,976.60, 384,331,464.90 and 244,316,698.20

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Solution

The fourth proportional to 256,220,976.60, 384,331,464.90 and 244,316,698.20 is: 366,475,047.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,220,976.60 : 384,331,464.90 = 244,316,698.20 : x
  2. Step 2: Convert to fraction form
    256,220,976.60/384,331,464.90 = 244,316,698.20/x
  3. Step 3: Cross multiply
    256,220,976.60x = 384,331,464.90 × 244,316,698.20
  4. Step 4: Simplify right side
    256,220,976.60x = 93,898,594,518,737,184
  5. Step 5: Solve for x
    x = 93,898,594,518,737,184/256,220,976.60
  6. Step 6: Final answer
    x = 366,475,047.30

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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.