Home / 654,081,973.20-981,122,959.80-508,963,150.80

Finding the Fourth Proportional to 654,081,973.20, 981,122,959.80 and 508,963,150.80

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Solution

The fourth proportional to 654,081,973.20, 981,122,959.80 and 508,963,150.80 is: 763,444,726.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,081,973.20 : 981,122,959.80 = 508,963,150.80 : x
  2. Step 2: Convert to fraction form
    654,081,973.20/981,122,959.80 = 508,963,150.80/x
  3. Step 3: Cross multiply
    654,081,973.20x = 981,122,959.80 × 508,963,150.80
  4. Step 4: Simplify right side
    654,081,973.20x = 499,355,432,942,029,696
  5. Step 5: Solve for x
    x = 499,355,432,942,029,696/654,081,973.20
  6. Step 6: Final answer
    x = 763,444,726.20

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Double scale
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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.