Home / 255,688,606,603.86-383,618,086,558.14-85,725,013,856.82

Finding the Fourth Proportional to 255,688,606,603.86, 383,618,086,558.14 and 85,725,013,856.82

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Solution

The fourth proportional to 255,688,606,603.86, 383,618,086,558.14 and 85,725,013,856.82 is: 128,616,078,059.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,688,606,603.86 : 383,618,086,558.14 = 85,725,013,856.82 : x
  2. Step 2: Convert to fraction form
    255,688,606,603.86/383,618,086,558.14 = 85,725,013,856.82/x
  3. Step 3: Cross multiply
    255,688,606,603.86x = 383,618,086,558.14 × 85,725,013,856.82
  4. Step 4: Simplify right side
    255,688,606,603.86x = 32,885,665,785,923,330,113,536
  5. Step 5: Solve for x
    x = 32,885,665,785,923,330,113,536/255,688,606,603.86
  6. Step 6: Final answer
    x = 128,616,078,059.64

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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.