Home / 568,757,434.96-853,168,038.72-159,781,699.36

Finding the Fourth Proportional to 568,757,434.96, 853,168,038.72 and 159,781,699.36

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Solution

The fourth proportional to 568,757,434.96, 853,168,038.72 and 159,781,699.36 is: 239,681,506.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,757,434.96 : 853,168,038.72 = 159,781,699.36 : x
  2. Step 2: Convert to fraction form
    568,757,434.96/853,168,038.72 = 159,781,699.36/x
  3. Step 3: Cross multiply
    568,757,434.96x = 853,168,038.72 × 159,781,699.36
  4. Step 4: Simplify right side
    568,757,434.96x = 136,320,639,066,319,888
  5. Step 5: Solve for x
    x = 136,320,639,066,319,888/568,757,434.96
  6. Step 6: Final answer
    x = 239,681,506.89

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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.