Home / 924,571,622.66-1,275,838,027.70-528,039,872.96

Finding the Fourth Proportional to 924,571,622.66, 1,275,838,027.70 and 528,039,872.96

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Solution

The fourth proportional to 924,571,622.66, 1,275,838,027.70 and 528,039,872.96 is: 728,654,582.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    924,571,622.66 : 1,275,838,027.70 = 528,039,872.96 : x
  2. Step 2: Convert to fraction form
    924,571,622.66/1,275,838,027.70 = 528,039,872.96/x
  3. Step 3: Cross multiply
    924,571,622.66x = 1,275,838,027.70 × 528,039,872.96
  4. Step 4: Simplify right side
    924,571,622.66x = 673,693,350,064,244,992
  5. Step 5: Solve for x
    x = 673,693,350,064,244,992/924,571,622.66
  6. Step 6: Final answer
    x = 728,654,582.89

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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.