Home / 411,721,823.30-568,185,988.59-223,558,047.95

Finding the Fourth Proportional to 411,721,823.30, 568,185,988.59 and 223,558,047.95

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Solution

The fourth proportional to 411,721,823.30, 568,185,988.59 and 223,558,047.95 is: 308,515,466.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,721,823.30 : 568,185,988.59 = 223,558,047.95 : x
  2. Step 2: Convert to fraction form
    411,721,823.30/568,185,988.59 = 223,558,047.95/x
  3. Step 3: Cross multiply
    411,721,823.30x = 568,185,988.59 × 223,558,047.95
  4. Step 4: Simplify right side
    411,721,823.30x = 127,022,550,478,880,448
  5. Step 5: Solve for x
    x = 127,022,550,478,880,448/411,721,823.30
  6. Step 6: Final answer
    x = 308,515,466.74

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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.