Home / 1,260,707,049.30-1,891,344,009.15-742,870,938.90

Finding the Fourth Proportional to 1,260,707,049.30, 1,891,344,009.15 and 742,870,938.90

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Solution

The fourth proportional to 1,260,707,049.30, 1,891,344,009.15 and 742,870,938.90 is: 1,114,473,422.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,707,049.30 : 1,891,344,009.15 = 742,870,938.90 : x
  2. Step 2: Convert to fraction form
    1,260,707,049.30/1,891,344,009.15 = 742,870,938.90/x
  3. Step 3: Cross multiply
    1,260,707,049.30x = 1,891,344,009.15 × 742,870,938.90
  4. Step 4: Simplify right side
    1,260,707,049.30x = 1,405,024,499,860,150,784
  5. Step 5: Solve for x
    x = 1,405,024,499,860,150,784/1,260,707,049.30
  6. Step 6: Final answer
    x = 1,114,473,422.39

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1.5x scale

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.