Home / 945,543,128.55-1,417,186,291.54-440,079,267.57

Finding the Fourth Proportional to 945,543,128.55, 1,417,186,291.54 and 440,079,267.57

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Solution

The fourth proportional to 945,543,128.55, 1,417,186,291.54 and 440,079,267.57 is: 659,593,715.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,543,128.55 : 1,417,186,291.54 = 440,079,267.57 : x
  2. Step 2: Convert to fraction form
    945,543,128.55/1,417,186,291.54 = 440,079,267.57/x
  3. Step 3: Cross multiply
    945,543,128.55x = 1,417,186,291.54 × 440,079,267.57
  4. Step 4: Simplify right side
    945,543,128.55x = 623,674,305,191,167,616
  5. Step 5: Solve for x
    x = 623,674,305,191,167,616/945,543,128.55
  6. Step 6: Final answer
    x = 659,593,715.36

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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.