Home / 558,908,171.01-771,298,542.56-308,021,596.36

Finding the Fourth Proportional to 558,908,171.01, 771,298,542.56 and 308,021,596.36

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Solution

The fourth proportional to 558,908,171.01, 771,298,542.56 and 308,021,596.36 is: 425,072,705.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,908,171.01 : 771,298,542.56 = 308,021,596.36 : x
  2. Step 2: Convert to fraction form
    558,908,171.01/771,298,542.56 = 308,021,596.36/x
  3. Step 3: Cross multiply
    558,908,171.01x = 771,298,542.56 × 308,021,596.36
  4. Step 4: Simplify right side
    558,908,171.01x = 237,576,608,348,314,432
  5. Step 5: Solve for x
    x = 237,576,608,348,314,432/558,908,171.01
  6. Step 6: Final answer
    x = 425,072,705.45

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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.