Home / 1,259,715,065.80-1,889,572,598.70-569,644,832.20

Finding the Fourth Proportional to 1,259,715,065.80, 1,889,572,598.70 and 569,644,832.20

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Solution

The fourth proportional to 1,259,715,065.80, 1,889,572,598.70 and 569,644,832.20 is: 854,467,248.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,715,065.80 : 1,889,572,598.70 = 569,644,832.20 : x
  2. Step 2: Convert to fraction form
    1,259,715,065.80/1,889,572,598.70 = 569,644,832.20/x
  3. Step 3: Cross multiply
    1,259,715,065.80x = 1,889,572,598.70 × 569,644,832.20
  4. Step 4: Simplify right side
    1,259,715,065.80x = 1,076,385,265,916,179,584
  5. Step 5: Solve for x
    x = 1,076,385,265,916,179,584/1,259,715,065.80
  6. Step 6: Final answer
    x = 854,467,248.30

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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.