Home / 503,521,899.92-689,827,463.55-484,650,035.54

Finding the Fourth Proportional to 503,521,899.92, 689,827,463.55 and 484,650,035.54

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Solution

The fourth proportional to 503,521,899.92, 689,827,463.55 and 484,650,035.54 is: 663,972,917.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,521,899.92 : 689,827,463.55 = 484,650,035.54 : x
  2. Step 2: Convert to fraction form
    503,521,899.92/689,827,463.55 = 484,650,035.54/x
  3. Step 3: Cross multiply
    503,521,899.92x = 689,827,463.55 × 484,650,035.54
  4. Step 4: Simplify right side
    503,521,899.92x = 334,324,904,725,882,688
  5. Step 5: Solve for x
    x = 334,324,904,725,882,688/503,521,899.92
  6. Step 6: Final answer
    x = 663,972,917.12

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.