Home / 1,635,437,991.20-2,453,156,986.80-982,403,290.40

Finding the Fourth Proportional to 1,635,437,991.20, 2,453,156,986.80 and 982,403,290.40

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Solution

The fourth proportional to 1,635,437,991.20, 2,453,156,986.80 and 982,403,290.40 is: 1,473,604,935.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,635,437,991.20 : 2,453,156,986.80 = 982,403,290.40 : x
  2. Step 2: Convert to fraction form
    1,635,437,991.20/2,453,156,986.80 = 982,403,290.40/x
  3. Step 3: Cross multiply
    1,635,437,991.20x = 2,453,156,986.80 × 982,403,290.40
  4. Step 4: Simplify right side
    1,635,437,991.20x = 2,409,989,495,700,069,376
  5. Step 5: Solve for x
    x = 2,409,989,495,700,069,376/1,635,437,991.20
  6. Step 6: Final answer
    x = 1,473,604,935.60

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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.