Home / 654,243,035.20-981,364,552.80-470,577,025.60

Finding the Fourth Proportional to 654,243,035.20, 981,364,552.80 and 470,577,025.60

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Solution

The fourth proportional to 654,243,035.20, 981,364,552.80 and 470,577,025.60 is: 705,865,538.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,243,035.20 : 981,364,552.80 = 470,577,025.60 : x
  2. Step 2: Convert to fraction form
    654,243,035.20/981,364,552.80 = 470,577,025.60/x
  3. Step 3: Cross multiply
    654,243,035.20x = 981,364,552.80 × 470,577,025.60
  4. Step 4: Simplify right side
    654,243,035.20x = 461,807,612,285,898,176
  5. Step 5: Solve for x
    x = 461,807,612,285,898,176/654,243,035.20
  6. Step 6: Final answer
    x = 705,865,538.40

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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.