Home / 481,993,186,348.70-665,130,623,442.90-262,262,785,721.30

Finding the Fourth Proportional to 481,993,186,348.70, 665,130,623,442.90 and 262,262,785,721.30

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Solution

The fourth proportional to 481,993,186,348.70, 665,130,623,442.90 and 262,262,785,721.30 is: 361,911,776,168.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,993,186,348.70 : 665,130,623,442.90 = 262,262,785,721.30 : x
  2. Step 2: Convert to fraction form
    481,993,186,348.70/665,130,623,442.90 = 262,262,785,721.30/x
  3. Step 3: Cross multiply
    481,993,186,348.70x = 665,130,623,442.90 × 262,262,785,721.30
  4. Step 4: Simplify right side
    481,993,186,348.70x = 174,439,010,172,679,948,861,440
  5. Step 5: Solve for x
    x = 174,439,010,172,679,948,861,440/481,993,186,348.70
  6. Step 6: Final answer
    x = 361,911,776,168.72

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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.