Home / 589,367,428.20-882,350,531.10-521,342,980.20

Finding the Fourth Proportional to 589,367,428.20, 882,350,531.10 and 521,342,980.20

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Solution

The fourth proportional to 589,367,428.20, 882,350,531.10 and 521,342,980.20 is: 780,510,142.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,367,428.20 : 882,350,531.10 = 521,342,980.20 : x
  2. Step 2: Convert to fraction form
    589,367,428.20/882,350,531.10 = 521,342,980.20/x
  3. Step 3: Cross multiply
    589,367,428.20x = 882,350,531.10 × 521,342,980.20
  4. Step 4: Simplify right side
    589,367,428.20x = 460,007,255,464,726,784
  5. Step 5: Solve for x
    x = 460,007,255,464,726,784/589,367,428.20
  6. Step 6: Final answer
    x = 780,510,142.66

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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.