Home / 255,688,606,600.86-383,618,086,553.64-85,725,013,853.82

Finding the Fourth Proportional to 255,688,606,600.86, 383,618,086,553.64 and 85,725,013,853.82

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Solution

The fourth proportional to 255,688,606,600.86, 383,618,086,553.64 and 85,725,013,853.82 is: 128,616,078,055.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,688,606,600.86 : 383,618,086,553.64 = 85,725,013,853.82 : x
  2. Step 2: Convert to fraction form
    255,688,606,600.86/383,618,086,553.64 = 85,725,013,853.82/x
  3. Step 3: Cross multiply
    255,688,606,600.86x = 383,618,086,553.64 × 85,725,013,853.82
  4. Step 4: Simplify right side
    255,688,606,600.86x = 32,885,665,784,386,713,288,704
  5. Step 5: Solve for x
    x = 32,885,665,784,386,713,288,704/255,688,606,600.86
  6. Step 6: Final answer
    x = 128,616,078,055.14

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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.