Home / 686,376,328,675.08-947,199,488,181.04-377,727,687,699.96

Finding the Fourth Proportional to 686,376,328,675.08, 947,199,488,181.04 and 377,727,687,699.96

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Solution

The fourth proportional to 686,376,328,675.08, 947,199,488,181.04 and 377,727,687,699.96 is: 521,264,294,110.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    686,376,328,675.08 : 947,199,488,181.04 = 377,727,687,699.96 : x
  2. Step 2: Convert to fraction form
    686,376,328,675.08/947,199,488,181.04 = 377,727,687,699.96/x
  3. Step 3: Cross multiply
    686,376,328,675.08x = 947,199,488,181.04 × 377,727,687,699.96
  4. Step 4: Simplify right side
    686,376,328,675.08x = 357,783,472,461,209,862,668,288
  5. Step 5: Solve for x
    x = 357,783,472,461,209,862,668,288/686,376,328,675.08
  6. Step 6: Final answer
    x = 521,264,294,110.85

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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.