Home / 411,766,673.40-617,650,010.10-248,507,998.20

Finding the Fourth Proportional to 411,766,673.40, 617,650,010.10 and 248,507,998.20

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Solution

The fourth proportional to 411,766,673.40, 617,650,010.10 and 248,507,998.20 is: 372,761,997.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,766,673.40 : 617,650,010.10 = 248,507,998.20 : x
  2. Step 2: Convert to fraction form
    411,766,673.40/617,650,010.10 = 248,507,998.20/x
  3. Step 3: Cross multiply
    411,766,673.40x = 617,650,010.10 × 248,507,998.20
  4. Step 4: Simplify right side
    411,766,673.40x = 153,490,967,598,160,768
  5. Step 5: Solve for x
    x = 153,490,967,598,160,768/411,766,673.40
  6. Step 6: Final answer
    x = 372,761,997.30

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1.5x scale

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.