Home / 2,912,443,326.60-4,368,664,989.90-1,932,891,275.40

Finding the Fourth Proportional to 2,912,443,326.60, 4,368,664,989.90 and 1,932,891,275.40

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Solution

The fourth proportional to 2,912,443,326.60, 4,368,664,989.90 and 1,932,891,275.40 is: 2,899,336,913.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,912,443,326.60 : 4,368,664,989.90 = 1,932,891,275.40 : x
  2. Step 2: Convert to fraction form
    2,912,443,326.60/4,368,664,989.90 = 1,932,891,275.40/x
  3. Step 3: Cross multiply
    2,912,443,326.60x = 4,368,664,989.90 × 1,932,891,275.40
  4. Step 4: Simplify right side
    2,912,443,326.60x = 8,444,154,444,123,139,072
  5. Step 5: Solve for x
    x = 8,444,154,444,123,139,072/2,912,443,326.60
  6. Step 6: Final answer
    x = 2,899,336,913.10

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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.