Home / 3,491,132,314.80-4,817,864,637.90-1,905,326,049.30

Finding the Fourth Proportional to 3,491,132,314.80, 4,817,864,637.90 and 1,905,326,049.30

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Solution

The fourth proportional to 3,491,132,314.80, 4,817,864,637.90 and 1,905,326,049.30 is: 2,629,405,639.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,491,132,314.80 : 4,817,864,637.90 = 1,905,326,049.30 : x
  2. Step 2: Convert to fraction form
    3,491,132,314.80/4,817,864,637.90 = 1,905,326,049.30/x
  3. Step 3: Cross multiply
    3,491,132,314.80x = 4,817,864,637.90 × 1,905,326,049.30
  4. Step 4: Simplify right side
    3,491,132,314.80x = 9,179,602,996,592,181,248
  5. Step 5: Solve for x
    x = 9,179,602,996,592,181,248/3,491,132,314.80
  6. Step 6: Final answer
    x = 2,629,405,639.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.