Home / 693,058,586.88-956,421,518.40-379,793,493.12

Finding the Fourth Proportional to 693,058,586.88, 956,421,518.40 and 379,793,493.12

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Solution

The fourth proportional to 693,058,586.88, 956,421,518.40 and 379,793,493.12 is: 524,115,386.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,058,586.88 : 956,421,518.40 = 379,793,493.12 : x
  2. Step 2: Convert to fraction form
    693,058,586.88/956,421,518.40 = 379,793,493.12/x
  3. Step 3: Cross multiply
    693,058,586.88x = 956,421,518.40 × 379,793,493.12
  4. Step 4: Simplify right side
    693,058,586.88x = 363,242,669,368,270,336
  5. Step 5: Solve for x
    x = 363,242,669,368,270,336/693,058,586.88
  6. Step 6: Final answer
    x = 524,115,386.84

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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.