Home / 1,276,959,559.11-1,762,203,412.13-690,248,695.11

Finding the Fourth Proportional to 1,276,959,559.11, 1,762,203,412.13 and 690,248,695.11

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Solution

The fourth proportional to 1,276,959,559.11, 1,762,203,412.13 and 690,248,695.11 is: 952,542,777.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,959,559.11 : 1,762,203,412.13 = 690,248,695.11 : x
  2. Step 2: Convert to fraction form
    1,276,959,559.11/1,762,203,412.13 = 690,248,695.11/x
  3. Step 3: Cross multiply
    1,276,959,559.11x = 1,762,203,412.13 × 690,248,695.11
  4. Step 4: Simplify right side
    1,276,959,559.11x = 1,216,358,605,737,670,912
  5. Step 5: Solve for x
    x = 1,216,358,605,737,670,912/1,276,959,559.11
  6. Step 6: Final answer
    x = 952,542,777.93

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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.