Home / 2,178,330,296.40-3,267,070,291.80-724,307,720.40

Finding the Fourth Proportional to 2,178,330,296.40, 3,267,070,291.80 and 724,307,720.40

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Solution

The fourth proportional to 2,178,330,296.40, 3,267,070,291.80 and 724,307,720.40 is: 1,086,320,214.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,178,330,296.40 : 3,267,070,291.80 = 724,307,720.40 : x
  2. Step 2: Convert to fraction form
    2,178,330,296.40/3,267,070,291.80 = 724,307,720.40/x
  3. Step 3: Cross multiply
    2,178,330,296.40x = 3,267,070,291.80 × 724,307,720.40
  4. Step 4: Simplify right side
    2,178,330,296.40x = 2,366,364,235,440,220,672
  5. Step 5: Solve for x
    x = 2,366,364,235,440,220,672/2,178,330,296.40
  6. Step 6: Final answer
    x = 1,086,320,214.78

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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.