Home / 1,188,006,928.90-1,782,010,393.35-943,118,916.10

Finding the Fourth Proportional to 1,188,006,928.90, 1,782,010,393.35 and 943,118,916.10

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Solution

The fourth proportional to 1,188,006,928.90, 1,782,010,393.35 and 943,118,916.10 is: 1,414,678,374.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,188,006,928.90 : 1,782,010,393.35 = 943,118,916.10 : x
  2. Step 2: Convert to fraction form
    1,188,006,928.90/1,782,010,393.35 = 943,118,916.10/x
  3. Step 3: Cross multiply
    1,188,006,928.90x = 1,782,010,393.35 × 943,118,916.10
  4. Step 4: Simplify right side
    1,188,006,928.90x = 1,680,647,710,655,186,688
  5. Step 5: Solve for x
    x = 1,680,647,710,655,186,688/1,188,006,928.90
  6. Step 6: Final answer
    x = 1,414,678,374.15

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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.