Home / 1,980,170,235.45-2,970,255,903.57-736,438,196.16

Finding the Fourth Proportional to 1,980,170,235.45, 2,970,255,903.57 and 736,438,196.16

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Solution

The fourth proportional to 1,980,170,235.45, 2,970,255,903.57 and 736,438,196.16 is: 1,104,657,498.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,980,170,235.45 : 2,970,255,903.57 = 736,438,196.16 : x
  2. Step 2: Convert to fraction form
    1,980,170,235.45/2,970,255,903.57 = 736,438,196.16/x
  3. Step 3: Cross multiply
    1,980,170,235.45x = 2,970,255,903.57 × 736,438,196.16
  4. Step 4: Simplify right side
    1,980,170,235.45x = 2,187,409,899,758,681,856
  5. Step 5: Solve for x
    x = 2,187,409,899,758,681,856/1,980,170,235.45
  6. Step 6: Final answer
    x = 1,104,657,498.94

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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.