Home / 985,460,978,462.25-1,478,358,347,288.90-339,891,312,726.56

Finding the Fourth Proportional to 985,460,978,462.25, 1,478,358,347,288.90 and 339,891,312,726.56

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Solution

The fourth proportional to 985,460,978,462.25, 1,478,358,347,288.90 and 339,891,312,726.56 is: 509,894,526,848.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,460,978,462.25 : 1,478,358,347,288.90 = 339,891,312,726.56 : x
  2. Step 2: Convert to fraction form
    985,460,978,462.25/1,478,358,347,288.90 = 339,891,312,726.56/x
  3. Step 3: Cross multiply
    985,460,978,462.25x = 1,478,358,347,288.90 × 339,891,312,726.56
  4. Step 4: Simplify right side
    985,460,978,462.25x = 502,481,159,340,291,870,687,232
  5. Step 5: Solve for x
    x = 502,481,159,340,291,870,687,232/985,460,978,462.25
  6. Step 6: Final answer
    x = 509,894,526,848.12

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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.