Home / 1,635,437,990.20-2,453,156,985.30-982,403,289.40

Finding the Fourth Proportional to 1,635,437,990.20, 2,453,156,985.30 and 982,403,289.40

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Solution

The fourth proportional to 1,635,437,990.20, 2,453,156,985.30 and 982,403,289.40 is: 1,473,604,934.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,635,437,990.20 : 2,453,156,985.30 = 982,403,289.40 : x
  2. Step 2: Convert to fraction form
    1,635,437,990.20/2,453,156,985.30 = 982,403,289.40/x
  3. Step 3: Cross multiply
    1,635,437,990.20x = 2,453,156,985.30 × 982,403,289.40
  4. Step 4: Simplify right side
    1,635,437,990.20x = 2,409,989,491,773,307,392
  5. Step 5: Solve for x
    x = 2,409,989,491,773,307,392/1,635,437,990.20
  6. Step 6: Final answer
    x = 1,473,604,934.10

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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.