Home / 1,277,684,049.20-1,763,209,301.16-690,973,185.20

Finding the Fourth Proportional to 1,277,684,049.20, 1,763,209,301.16 and 690,973,185.20

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Solution

The fourth proportional to 1,277,684,049.20, 1,763,209,301.16 and 690,973,185.20 is: 953,545,869.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,277,684,049.20 : 1,763,209,301.16 = 690,973,185.20 : x
  2. Step 2: Convert to fraction form
    1,277,684,049.20/1,763,209,301.16 = 690,973,185.20/x
  3. Step 3: Cross multiply
    1,277,684,049.20x = 1,763,209,301.16 × 690,973,185.20
  4. Step 4: Simplify right side
    1,277,684,049.20x = 1,218,330,346,996,791,296
  5. Step 5: Solve for x
    x = 1,218,330,346,996,791,296/1,277,684,049.20
  6. Step 6: Final answer
    x = 953,545,869.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.