Home / 347,757,800.40-521,636,700.60-186,514,664.40

Finding the Fourth Proportional to 347,757,800.40, 521,636,700.60 and 186,514,664.40

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Solution

The fourth proportional to 347,757,800.40, 521,636,700.60 and 186,514,664.40 is: 279,771,996.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,757,800.40 : 521,636,700.60 = 186,514,664.40 : x
  2. Step 2: Convert to fraction form
    347,757,800.40/521,636,700.60 = 186,514,664.40/x
  3. Step 3: Cross multiply
    347,757,800.40x = 521,636,700.60 × 186,514,664.40
  4. Step 4: Simplify right side
    347,757,800.40x = 97,292,894,151,132,288
  5. Step 5: Solve for x
    x = 97,292,894,151,132,288/347,757,800.40
  6. Step 6: Final answer
    x = 279,771,996.60

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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.