Home / 705,244,266.31-973,179,238.10-415,186,301.15

Finding the Fourth Proportional to 705,244,266.31, 973,179,238.10 and 415,186,301.15

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Solution

The fourth proportional to 705,244,266.31, 973,179,238.10 and 415,186,301.15 is: 572,923,038.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,244,266.31 : 973,179,238.10 = 415,186,301.15 : x
  2. Step 2: Convert to fraction form
    705,244,266.31/973,179,238.10 = 415,186,301.15/x
  3. Step 3: Cross multiply
    705,244,266.31x = 973,179,238.10 × 415,186,301.15
  4. Step 4: Simplify right side
    705,244,266.31x = 404,050,688,224,891,008
  5. Step 5: Solve for x
    x = 404,050,688,224,891,008/705,244,266.31
  6. Step 6: Final answer
    x = 572,923,038.90

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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.