Home / 687,630,182.70-1,029,177,792.45-483,556,838.70

Finding the Fourth Proportional to 687,630,182.70, 1,029,177,792.45 and 483,556,838.70

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Solution

The fourth proportional to 687,630,182.70, 1,029,177,792.45 and 483,556,838.70 is: 723,740,714.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    687,630,182.70 : 1,029,177,792.45 = 483,556,838.70 : x
  2. Step 2: Convert to fraction form
    687,630,182.70/1,029,177,792.45 = 483,556,838.70/x
  3. Step 3: Cross multiply
    687,630,182.70x = 1,029,177,792.45 × 483,556,838.70
  4. Step 4: Simplify right side
    687,630,182.70x = 497,665,959,777,366,720
  5. Step 5: Solve for x
    x = 497,665,959,777,366,720/687,630,182.70
  6. Step 6: Final answer
    x = 723,740,714.56

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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.