Home / 1,260,707,047.30-1,891,344,006.15-742,870,936.90

Finding the Fourth Proportional to 1,260,707,047.30, 1,891,344,006.15 and 742,870,936.90

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Solution

The fourth proportional to 1,260,707,047.30, 1,891,344,006.15 and 742,870,936.90 is: 1,114,473,419.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,707,047.30 : 1,891,344,006.15 = 742,870,936.90 : x
  2. Step 2: Convert to fraction form
    1,260,707,047.30/1,891,344,006.15 = 742,870,936.90/x
  3. Step 3: Cross multiply
    1,260,707,047.30x = 1,891,344,006.15 × 742,870,936.90
  4. Step 4: Simplify right side
    1,260,707,047.30x = 1,405,024,493,848,849,920
  5. Step 5: Solve for x
    x = 1,405,024,493,848,849,920/1,260,707,047.30
  6. Step 6: Final answer
    x = 1,114,473,419.39

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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.