Home / 418,204,412.10-627,223,949.46-397,464,828.66

Finding the Fourth Proportional to 418,204,412.10, 627,223,949.46 and 397,464,828.66

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Solution

The fourth proportional to 418,204,412.10, 627,223,949.46 and 397,464,828.66 is: 596,118,674.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,204,412.10 : 627,223,949.46 = 397,464,828.66 : x
  2. Step 2: Convert to fraction form
    418,204,412.10/627,223,949.46 = 397,464,828.66/x
  3. Step 3: Cross multiply
    418,204,412.10x = 627,223,949.46 × 397,464,828.66
  4. Step 4: Simplify right side
    418,204,412.10x = 249,299,459,603,567,424
  5. Step 5: Solve for x
    x = 249,299,459,603,567,424/418,204,412.10
  6. Step 6: Final answer
    x = 596,118,674.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.