Home / 398,102,240,671.02-597,578,312,480.49-171,573,485,480.91

Finding the Fourth Proportional to 398,102,240,671.02, 597,578,312,480.49 and 171,573,485,480.91

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Solution

The fourth proportional to 398,102,240,671.02, 597,578,312,480.49 and 171,573,485,480.91 is: 257,543,373,147.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,102,240,671.02 : 597,578,312,480.49 = 171,573,485,480.91 : x
  2. Step 2: Convert to fraction form
    398,102,240,671.02/597,578,312,480.49 = 171,573,485,480.91/x
  3. Step 3: Cross multiply
    398,102,240,671.02x = 597,578,312,480.49 × 171,573,485,480.91
  4. Step 4: Simplify right side
    398,102,240,671.02x = 102,528,593,920,078,047,608,832
  5. Step 5: Solve for x
    x = 102,528,593,920,078,047,608,832/398,102,240,671.02
  6. Step 6: Final answer
    x = 257,543,373,147.72

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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.