Home / 656,045,743.50-905,362,021.71-362,709,207.18

Finding the Fourth Proportional to 656,045,743.50, 905,362,021.71 and 362,709,207.18

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Solution

The fourth proportional to 656,045,743.50, 905,362,021.71 and 362,709,207.18 is: 500,549,152.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,045,743.50 : 905,362,021.71 = 362,709,207.18 : x
  2. Step 2: Convert to fraction form
    656,045,743.50/905,362,021.71 = 362,709,207.18/x
  3. Step 3: Cross multiply
    656,045,743.50x = 905,362,021.71 × 362,709,207.18
  4. Step 4: Simplify right side
    656,045,743.50x = 328,383,141,105,316,096
  5. Step 5: Solve for x
    x = 328,383,141,105,316,096/656,045,743.50
  6. Step 6: Final answer
    x = 500,549,152.80

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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.