Home / 1,260,707,046.30-1,891,344,004.65-742,870,935.90

Finding the Fourth Proportional to 1,260,707,046.30, 1,891,344,004.65 and 742,870,935.90

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Solution

The fourth proportional to 1,260,707,046.30, 1,891,344,004.65 and 742,870,935.90 is: 1,114,473,417.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,707,046.30 : 1,891,344,004.65 = 742,870,935.90 : x
  2. Step 2: Convert to fraction form
    1,260,707,046.30/1,891,344,004.65 = 742,870,935.90/x
  3. Step 3: Cross multiply
    1,260,707,046.30x = 1,891,344,004.65 × 742,870,935.90
  4. Step 4: Simplify right side
    1,260,707,046.30x = 1,405,024,490,843,199,488
  5. Step 5: Solve for x
    x = 1,405,024,490,843,199,488/1,260,707,046.30
  6. Step 6: Final answer
    x = 1,114,473,417.89

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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.