Home / 1,558,332,572-2,150,566,548.72-862,971,548

Finding the Fourth Proportional to 1,558,332,572, 2,150,566,548.72 and 862,971,548

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Solution

The fourth proportional to 1,558,332,572, 2,150,566,548.72 and 862,971,548 is: 1,190,938,171.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,558,332,572 : 2,150,566,548.72 = 862,971,548 : x
  2. Step 2: Convert to fraction form
    1,558,332,572/2,150,566,548.72 = 862,971,548/x
  3. Step 3: Cross multiply
    1,558,332,572x = 2,150,566,548.72 × 862,971,548
  4. Step 4: Simplify right side
    1,558,332,572x = 1,855,877,743,625,915,648
  5. Step 5: Solve for x
    x = 1,855,877,743,625,915,648/1,558,332,572
  6. Step 6: Final answer
    x = 1,190,938,171.33

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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.