Home / 1,525,068,122.40-2,287,602,183.60-419,670,842.40

Finding the Fourth Proportional to 1,525,068,122.40, 2,287,602,183.60 and 419,670,842.40

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Solution

The fourth proportional to 1,525,068,122.40, 2,287,602,183.60 and 419,670,842.40 is: 629,506,263.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,525,068,122.40 : 2,287,602,183.60 = 419,670,842.40 : x
  2. Step 2: Convert to fraction form
    1,525,068,122.40/2,287,602,183.60 = 419,670,842.40/x
  3. Step 3: Cross multiply
    1,525,068,122.40x = 2,287,602,183.60 × 419,670,842.40
  4. Step 4: Simplify right side
    1,525,068,122.40x = 960,039,935,467,491,328
  5. Step 5: Solve for x
    x = 960,039,935,467,491,328/1,525,068,122.40
  6. Step 6: Final answer
    x = 629,506,263.60

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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.