Home / 692,156,725.02-955,115,754.39-409,848,520.14

Finding the Fourth Proportional to 692,156,725.02, 955,115,754.39 and 409,848,520.14

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Solution

The fourth proportional to 692,156,725.02, 955,115,754.39 and 409,848,520.14 is: 565,555,118.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,156,725.02 : 955,115,754.39 = 409,848,520.14 : x
  2. Step 2: Convert to fraction form
    692,156,725.02/955,115,754.39 = 409,848,520.14/x
  3. Step 3: Cross multiply
    692,156,725.02x = 955,115,754.39 × 409,848,520.14
  4. Step 4: Simplify right side
    692,156,725.02x = 391,452,778,499,141,184
  5. Step 5: Solve for x
    x = 391,452,778,499,141,184/692,156,725.02
  6. Step 6: Final answer
    x = 565,555,118.30

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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.