Home / 1,188,006,938.90-1,782,010,408.35-943,118,926.10

Finding the Fourth Proportional to 1,188,006,938.90, 1,782,010,408.35 and 943,118,926.10

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Solution

The fourth proportional to 1,188,006,938.90, 1,782,010,408.35 and 943,118,926.10 is: 1,414,678,389.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,188,006,938.90 : 1,782,010,408.35 = 943,118,926.10 : x
  2. Step 2: Convert to fraction form
    1,188,006,938.90/1,782,010,408.35 = 943,118,926.10/x
  3. Step 3: Cross multiply
    1,188,006,938.90x = 1,782,010,408.35 × 943,118,926.10
  4. Step 4: Simplify right side
    1,188,006,938.90x = 1,680,647,742,622,074,368
  5. Step 5: Solve for x
    x = 1,680,647,742,622,074,368/1,188,006,938.90
  6. Step 6: Final answer
    x = 1,414,678,389.15

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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.