Home / 525,617,984.28-788,429,633.64-137,441,668.08

Finding the Fourth Proportional to 525,617,984.28, 788,429,633.64 and 137,441,668.08

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Solution

The fourth proportional to 525,617,984.28, 788,429,633.64 and 137,441,668.08 is: 206,163,196.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,617,984.28 : 788,429,633.64 = 137,441,668.08 : x
  2. Step 2: Convert to fraction form
    525,617,984.28/788,429,633.64 = 137,441,668.08/x
  3. Step 3: Cross multiply
    525,617,984.28x = 788,429,633.64 × 137,441,668.08
  4. Step 4: Simplify right side
    525,617,984.28x = 108,363,084,011,184,896
  5. Step 5: Solve for x
    x = 108,363,084,011,184,896/525,617,984.28
  6. Step 6: Final answer
    x = 206,163,196.95

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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.