Home / 2,788,330,828.80-4,182,496,243.20-2,487,343,641.60

Finding the Fourth Proportional to 2,788,330,828.80, 4,182,496,243.20 and 2,487,343,641.60

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Solution

The fourth proportional to 2,788,330,828.80, 4,182,496,243.20 and 2,487,343,641.60 is: 3,731,015,462.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,788,330,828.80 : 4,182,496,243.20 = 2,487,343,641.60 : x
  2. Step 2: Convert to fraction form
    2,788,330,828.80/4,182,496,243.20 = 2,487,343,641.60/x
  3. Step 3: Cross multiply
    2,788,330,828.80x = 4,182,496,243.20 × 2,487,343,641.60
  4. Step 4: Simplify right side
    2,788,330,828.80x = 10,403,305,436,539,406,336
  5. Step 5: Solve for x
    x = 10,403,305,436,539,406,336/2,788,330,828.80
  6. Step 6: Final answer
    x = 3,731,015,462.40

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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.