Home / 1,189,891,730.80-1,784,837,596.20-724,302,175.60

Finding the Fourth Proportional to 1,189,891,730.80, 1,784,837,596.20 and 724,302,175.60

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Solution

The fourth proportional to 1,189,891,730.80, 1,784,837,596.20 and 724,302,175.60 is: 1,086,453,263.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,189,891,730.80 : 1,784,837,596.20 = 724,302,175.60 : x
  2. Step 2: Convert to fraction form
    1,189,891,730.80/1,784,837,596.20 = 724,302,175.60/x
  3. Step 3: Cross multiply
    1,189,891,730.80x = 1,784,837,596.20 × 724,302,175.60
  4. Step 4: Simplify right side
    1,189,891,730.80x = 1,292,761,754,020,334,336
  5. Step 5: Solve for x
    x = 1,292,761,754,020,334,336/1,189,891,730.80
  6. Step 6: Final answer
    x = 1,086,453,263.40

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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.