Home / 1,030,945,936.80-1,423,005,188.64-673,767,444.48

Finding the Fourth Proportional to 1,030,945,936.80, 1,423,005,188.64 and 673,767,444.48

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Solution

The fourth proportional to 1,030,945,936.80, 1,423,005,188.64 and 673,767,444.48 is: 929,995,002.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,030,945,936.80 : 1,423,005,188.64 = 673,767,444.48 : x
  2. Step 2: Convert to fraction form
    1,030,945,936.80/1,423,005,188.64 = 673,767,444.48/x
  3. Step 3: Cross multiply
    1,030,945,936.80x = 1,423,005,188.64 × 673,767,444.48
  4. Step 4: Simplify right side
    1,030,945,936.80x = 958,774,569,431,753,216
  5. Step 5: Solve for x
    x = 958,774,569,431,753,216/1,030,945,936.80
  6. Step 6: Final answer
    x = 929,995,002.85

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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.