Home / 891,877,944.88-1,337,830,371.02-309,630,685.92

Finding the Fourth Proportional to 891,877,944.88, 1,337,830,371.02 and 309,630,685.92

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Solution

The fourth proportional to 891,877,944.88, 1,337,830,371.02 and 309,630,685.92 is: 464,450,699.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,877,944.88 : 1,337,830,371.02 = 309,630,685.92 : x
  2. Step 2: Convert to fraction form
    891,877,944.88/1,337,830,371.02 = 309,630,685.92/x
  3. Step 3: Cross multiply
    891,877,944.88x = 1,337,830,371.02 × 309,630,685.92
  4. Step 4: Simplify right side
    891,877,944.88x = 414,233,335,415,293,440
  5. Step 5: Solve for x
    x = 414,233,335,415,293,440/891,877,944.88
  6. Step 6: Final answer
    x = 464,450,699.55

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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.