Home / 641,065,984.08-961,615,539-174,731,242.32

Finding the Fourth Proportional to 641,065,984.08, 961,615,539 and 174,731,242.32

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Solution

The fourth proportional to 641,065,984.08, 961,615,539 and 174,731,242.32 is: 262,101,377.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,065,984.08 : 961,615,539 = 174,731,242.32 : x
  2. Step 2: Convert to fraction form
    641,065,984.08/961,615,539 = 174,731,242.32/x
  3. Step 3: Cross multiply
    641,065,984.08x = 961,615,539 × 174,731,242.32
  4. Step 4: Simplify right side
    641,065,984.08x = 168,024,277,763,686,400
  5. Step 5: Solve for x
    x = 168,024,277,763,686,400/641,065,984.08
  6. Step 6: Final answer
    x = 262,101,377.92

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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.