Home / 1,219,147,230.18-1,682,421,897.33-662,230,712.82

Finding the Fourth Proportional to 1,219,147,230.18, 1,682,421,897.33 and 662,230,712.82

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Solution

The fourth proportional to 1,219,147,230.18, 1,682,421,897.33 and 662,230,712.82 is: 913,877,688.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,219,147,230.18 : 1,682,421,897.33 = 662,230,712.82 : x
  2. Step 2: Convert to fraction form
    1,219,147,230.18/1,682,421,897.33 = 662,230,712.82/x
  3. Step 3: Cross multiply
    1,219,147,230.18x = 1,682,421,897.33 × 662,230,712.82
  4. Step 4: Simplify right side
    1,219,147,230.18x = 1,114,151,452,332,822,784
  5. Step 5: Solve for x
    x = 1,114,151,452,332,822,784/1,219,147,230.18
  6. Step 6: Final answer
    x = 913,877,688.23

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.