Home / 699,521,528.80-1,049,282,293.20-290,367,071.20

Finding the Fourth Proportional to 699,521,528.80, 1,049,282,293.20 and 290,367,071.20

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Solution

The fourth proportional to 699,521,528.80, 1,049,282,293.20 and 290,367,071.20 is: 435,550,606.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,521,528.80 : 1,049,282,293.20 = 290,367,071.20 : x
  2. Step 2: Convert to fraction form
    699,521,528.80/1,049,282,293.20 = 290,367,071.20/x
  3. Step 3: Cross multiply
    699,521,528.80x = 1,049,282,293.20 × 290,367,071.20
  4. Step 4: Simplify right side
    699,521,528.80x = 304,677,026,338,503,680
  5. Step 5: Solve for x
    x = 304,677,026,338,503,680/699,521,528.80
  6. Step 6: Final answer
    x = 435,550,606.80

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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.