Home / 1,071,491,261,888.40-1,477,664,709,428.90-782,000,979,023.75

Finding the Fourth Proportional to 1,071,491,261,888.40, 1,477,664,709,428.90 and 782,000,979,023.75

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Solution

The fourth proportional to 1,071,491,261,888.40, 1,477,664,709,428.90 and 782,000,979,023.75 is: 1,078,436,465,646.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,071,491,261,888.40 : 1,477,664,709,428.90 = 782,000,979,023.75 : x
  2. Step 2: Convert to fraction form
    1,071,491,261,888.40/1,477,664,709,428.90 = 782,000,979,023.75/x
  3. Step 3: Cross multiply
    1,071,491,261,888.40x = 1,477,664,709,428.90 × 782,000,979,023.75
  4. Step 4: Simplify right side
    1,071,491,261,888.40x = 1,155,535,249,442,244,814,438,400
  5. Step 5: Solve for x
    x = 1,155,535,249,442,244,814,438,400/1,071,491,261,888.40
  6. Step 6: Final answer
    x = 1,078,436,465,646.70

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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.