Home / 403,885,161.98-557,266,594.88-245,111,765.78

Finding the Fourth Proportional to 403,885,161.98, 557,266,594.88 and 245,111,765.78

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Solution

The fourth proportional to 403,885,161.98, 557,266,594.88 and 245,111,765.78 is: 338,196,626.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,885,161.98 : 557,266,594.88 = 245,111,765.78 : x
  2. Step 2: Convert to fraction form
    403,885,161.98/557,266,594.88 = 245,111,765.78/x
  3. Step 3: Cross multiply
    403,885,161.98x = 557,266,594.88 × 245,111,765.78
  4. Step 4: Simplify right side
    403,885,161.98x = 136,592,599,077,232,816
  5. Step 5: Solve for x
    x = 136,592,599,077,232,816/403,885,161.98
  6. Step 6: Final answer
    x = 338,196,626.01

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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.