Home / 436,623,602.40-653,423,749.20-400,343,896.80

Finding the Fourth Proportional to 436,623,602.40, 653,423,749.20 and 400,343,896.80

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Solution

The fourth proportional to 436,623,602.40, 653,423,749.20 and 400,343,896.80 is: 599,129,796.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,623,602.40 : 653,423,749.20 = 400,343,896.80 : x
  2. Step 2: Convert to fraction form
    436,623,602.40/653,423,749.20 = 400,343,896.80/x
  3. Step 3: Cross multiply
    436,623,602.40x = 653,423,749.20 × 400,343,896.80
  4. Step 4: Simplify right side
    436,623,602.40x = 261,594,210,016,393,920
  5. Step 5: Solve for x
    x = 261,594,210,016,393,920/436,623,602.40
  6. Step 6: Final answer
    x = 599,129,796.42

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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.