Home / 945,543,145.92-1,417,186,317.51-440,079,284.94

Finding the Fourth Proportional to 945,543,145.92, 1,417,186,317.51 and 440,079,284.94

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Solution

The fourth proportional to 945,543,145.92, 1,417,186,317.51 and 440,079,284.94 is: 659,593,741.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,543,145.92 : 1,417,186,317.51 = 440,079,284.94 : x
  2. Step 2: Convert to fraction form
    945,543,145.92/1,417,186,317.51 = 440,079,284.94/x
  3. Step 3: Cross multiply
    945,543,145.92x = 1,417,186,317.51 × 440,079,284.94
  4. Step 4: Simplify right side
    945,543,145.92x = 623,674,341,236,552,576
  5. Step 5: Solve for x
    x = 623,674,341,236,552,576/945,543,145.92
  6. Step 6: Final answer
    x = 659,593,741.36

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1.5x scale

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.