Home / 1,428,154,113.08-1,970,744,516.07-801,501,514.04

Finding the Fourth Proportional to 1,428,154,113.08, 1,970,744,516.07 and 801,501,514.04

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Solution

The fourth proportional to 1,428,154,113.08, 1,970,744,516.07 and 801,501,514.04 is: 1,106,011,388.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,428,154,113.08 : 1,970,744,516.07 = 801,501,514.04 : x
  2. Step 2: Convert to fraction form
    1,428,154,113.08/1,970,744,516.07 = 801,501,514.04/x
  3. Step 3: Cross multiply
    1,428,154,113.08x = 1,970,744,516.07 × 801,501,514.04
  4. Step 4: Simplify right side
    1,428,154,113.08x = 1,579,554,713,416,132,096
  5. Step 5: Solve for x
    x = 1,579,554,713,416,132,096/1,428,154,113.08
  6. Step 6: Final answer
    x = 1,106,011,388.37

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.