Home / 389,788,590.05-584,756,625.68-156,637,451.69

Finding the Fourth Proportional to 389,788,590.05, 584,756,625.68 and 156,637,451.69

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Solution

The fourth proportional to 389,788,590.05, 584,756,625.68 and 156,637,451.69 is: 234,985,810.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,788,590.05 : 584,756,625.68 = 156,637,451.69 : x
  2. Step 2: Convert to fraction form
    389,788,590.05/584,756,625.68 = 156,637,451.69/x
  3. Step 3: Cross multiply
    389,788,590.05x = 584,756,625.68 × 156,637,451.69
  4. Step 4: Simplify right side
    389,788,590.05x = 91,594,787,705,358,400
  5. Step 5: Solve for x
    x = 91,594,787,705,358,400/389,788,590.05
  6. Step 6: Final answer
    x = 234,985,810.37

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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.