Home / 410,153,019,947.20-614,739,753,895.20-171,387,207,467.20

Finding the Fourth Proportional to 410,153,019,947.20, 614,739,753,895.20 and 171,387,207,467.20

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Solution

The fourth proportional to 410,153,019,947.20, 614,739,753,895.20 and 171,387,207,467.20 is: 256,876,152,594.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,153,019,947.20 : 614,739,753,895.20 = 171,387,207,467.20 : x
  2. Step 2: Convert to fraction form
    410,153,019,947.20/614,739,753,895.20 = 171,387,207,467.20/x
  3. Step 3: Cross multiply
    410,153,019,947.20x = 614,739,753,895.20 × 171,387,207,467.20
  4. Step 4: Simplify right side
    410,153,019,947.20x = 105,358,529,739,172,115,120,128
  5. Step 5: Solve for x
    x = 105,358,529,739,172,115,120,128/410,153,019,947.20
  6. Step 6: Final answer
    x = 256,876,152,594.79

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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.