Home / 693,216,739.20-1,039,573,166.40-233,169,916.80

Finding the Fourth Proportional to 693,216,739.20, 1,039,573,166.40 and 233,169,916.80

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Solution

The fourth proportional to 693,216,739.20, 1,039,573,166.40 and 233,169,916.80 is: 349,670,132.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,216,739.20 : 1,039,573,166.40 = 233,169,916.80 : x
  2. Step 2: Convert to fraction form
    693,216,739.20/1,039,573,166.40 = 233,169,916.80/x
  3. Step 3: Cross multiply
    693,216,739.20x = 1,039,573,166.40 × 233,169,916.80
  4. Step 4: Simplify right side
    693,216,739.20x = 242,397,188,717,000,576
  5. Step 5: Solve for x
    x = 242,397,188,717,000,576/693,216,739.20
  6. Step 6: Final answer
    x = 349,670,132.02

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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.