Home / 589,984,008.60-884,976,012.90-408,436,181.40

Finding the Fourth Proportional to 589,984,008.60, 884,976,012.90 and 408,436,181.40

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Solution

The fourth proportional to 589,984,008.60, 884,976,012.90 and 408,436,181.40 is: 612,654,272.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,984,008.60 : 884,976,012.90 = 408,436,181.40 : x
  2. Step 2: Convert to fraction form
    589,984,008.60/884,976,012.90 = 408,436,181.40/x
  3. Step 3: Cross multiply
    589,984,008.60x = 884,976,012.90 × 408,436,181.40
  4. Step 4: Simplify right side
    589,984,008.60x = 361,456,223,339,473,088
  5. Step 5: Solve for x
    x = 361,456,223,339,473,088/589,984,008.60
  6. Step 6: Final answer
    x = 612,654,272.10

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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.