Home / 1,218,234,401,559.30-1,681,203,791,969.70-669,545,155,054.57

Finding the Fourth Proportional to 1,218,234,401,559.30, 1,681,203,791,969.70 and 669,545,155,054.57

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Solution

The fourth proportional to 1,218,234,401,559.30, 1,681,203,791,969.70 and 669,545,155,054.57 is: 923,994,472,764.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218,234,401,559.30 : 1,681,203,791,969.70 = 669,545,155,054.57 : x
  2. Step 2: Convert to fraction form
    1,218,234,401,559.30/1,681,203,791,969.70 = 669,545,155,054.57/x
  3. Step 3: Cross multiply
    1,218,234,401,559.30x = 1,681,203,791,969.70 × 669,545,155,054.57
  4. Step 4: Simplify right side
    1,218,234,401,559.30x = 1,125,641,853,572,683,692,769,280
  5. Step 5: Solve for x
    x = 1,125,641,853,572,683,692,769,280/1,218,234,401,559.30
  6. Step 6: Final answer
    x = 923,994,472,764.76

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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.