Home / 261,446,999.40-392,548,412.70-197,201,687.40

Finding the Fourth Proportional to 261,446,999.40, 392,548,412.70 and 197,201,687.40

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Solution

The fourth proportional to 261,446,999.40, 392,548,412.70 and 197,201,687.40 is: 296,087,580.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,446,999.40 : 392,548,412.70 = 197,201,687.40 : x
  2. Step 2: Convert to fraction form
    261,446,999.40/392,548,412.70 = 197,201,687.40/x
  3. Step 3: Cross multiply
    261,446,999.40x = 392,548,412.70 × 197,201,687.40
  4. Step 4: Simplify right side
    261,446,999.40x = 77,411,209,370,631,584
  5. Step 5: Solve for x
    x = 77,411,209,370,631,584/261,446,999.40
  6. Step 6: Final answer
    x = 296,087,580.08

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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.