Home / 415,666,999.16-573,621,979.36-224,928,017.31

Finding the Fourth Proportional to 415,666,999.16, 573,621,979.36 and 224,928,017.31

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Solution

The fourth proportional to 415,666,999.16, 573,621,979.36 and 224,928,017.31 is: 310,401,486.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,666,999.16 : 573,621,979.36 = 224,928,017.31 : x
  2. Step 2: Convert to fraction form
    415,666,999.16/573,621,979.36 = 224,928,017.31/x
  3. Step 3: Cross multiply
    415,666,999.16x = 573,621,979.36 × 224,928,017.31
  4. Step 4: Simplify right side
    415,666,999.16x = 129,023,654,502,882,544
  5. Step 5: Solve for x
    x = 129,023,654,502,882,544/415,666,999.16
  6. Step 6: Final answer
    x = 310,401,486.68

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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.