Home / 443,232,487.80-664,848,731.70-437,185,870.20

Finding the Fourth Proportional to 443,232,487.80, 664,848,731.70 and 437,185,870.20

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Solution

The fourth proportional to 443,232,487.80, 664,848,731.70 and 437,185,870.20 is: 655,778,805.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,232,487.80 : 664,848,731.70 = 437,185,870.20 : x
  2. Step 2: Convert to fraction form
    443,232,487.80/664,848,731.70 = 437,185,870.20/x
  3. Step 3: Cross multiply
    443,232,487.80x = 664,848,731.70 × 437,185,870.20
  4. Step 4: Simplify right side
    443,232,487.80x = 290,662,471,319,630,848
  5. Step 5: Solve for x
    x = 290,662,471,319,630,848/443,232,487.80
  6. Step 6: Final answer
    x = 655,778,805.30

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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.