Home / 413,944,186.40-620,916,279.60-209,870,842.40

Finding the Fourth Proportional to 413,944,186.40, 620,916,279.60 and 209,870,842.40

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Solution

The fourth proportional to 413,944,186.40, 620,916,279.60 and 209,870,842.40 is: 314,806,263.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,944,186.40 : 620,916,279.60 = 209,870,842.40 : x
  2. Step 2: Convert to fraction form
    413,944,186.40/620,916,279.60 = 209,870,842.40/x
  3. Step 3: Cross multiply
    413,944,186.40x = 620,916,279.60 × 209,870,842.40
  4. Step 4: Simplify right side
    413,944,186.40x = 130,312,222,659,525,936
  5. Step 5: Solve for x
    x = 130,312,222,659,525,936/413,944,186.40
  6. Step 6: Final answer
    x = 314,806,263.60

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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.