Home / 1,244,168,949.40-1,865,357,628.90-699,077,570.20

Finding the Fourth Proportional to 1,244,168,949.40, 1,865,357,628.90 and 699,077,570.20

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Solution

The fourth proportional to 1,244,168,949.40, 1,865,357,628.90 and 699,077,570.20 is: 1,048,113,023.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,244,168,949.40 : 1,865,357,628.90 = 699,077,570.20 : x
  2. Step 2: Convert to fraction form
    1,244,168,949.40/1,865,357,628.90 = 699,077,570.20/x
  3. Step 3: Cross multiply
    1,244,168,949.40x = 1,865,357,628.90 × 699,077,570.20
  4. Step 4: Simplify right side
    1,244,168,949.40x = 1,304,029,678,765,445,376
  5. Step 5: Solve for x
    x = 1,304,029,678,765,445,376/1,244,168,949.40
  6. Step 6: Final answer
    x = 1,048,113,023.07

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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.