Home / 403,885,167.85-557,266,602.99-245,111,771.64

Finding the Fourth Proportional to 403,885,167.85, 557,266,602.99 and 245,111,771.64

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Solution

The fourth proportional to 403,885,167.85, 557,266,602.99 and 245,111,771.64 is: 338,196,634.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,885,167.85 : 557,266,602.99 = 245,111,771.64 : x
  2. Step 2: Convert to fraction form
    403,885,167.85/557,266,602.99 = 245,111,771.64/x
  3. Step 3: Cross multiply
    403,885,167.85x = 557,266,602.99 × 245,111,771.64
  4. Step 4: Simplify right side
    403,885,167.85x = 136,592,604,334,683,408
  5. Step 5: Solve for x
    x = 136,592,604,334,683,408/403,885,167.85
  6. Step 6: Final answer
    x = 338,196,634.11

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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.