Home / 472,392,784.60-708,589,176.90-144,865,696.30

Finding the Fourth Proportional to 472,392,784.60, 708,589,176.90 and 144,865,696.30

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Solution

The fourth proportional to 472,392,784.60, 708,589,176.90 and 144,865,696.30 is: 217,298,544.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,392,784.60 : 708,589,176.90 = 144,865,696.30 : x
  2. Step 2: Convert to fraction form
    472,392,784.60/708,589,176.90 = 144,865,696.30/x
  3. Step 3: Cross multiply
    472,392,784.60x = 708,589,176.90 × 144,865,696.30
  4. Step 4: Simplify right side
    472,392,784.60x = 102,650,264,502,262,384
  5. Step 5: Solve for x
    x = 102,650,264,502,262,384/472,392,784.60
  6. Step 6: Final answer
    x = 217,298,544.45

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Similar ratio
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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.