Home / 389,618,263.96-584,413,220.58-116,981,946.52

Finding the Fourth Proportional to 389,618,263.96, 584,413,220.58 and 116,981,946.52

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Solution

The fourth proportional to 389,618,263.96, 584,413,220.58 and 116,981,946.52 is: 175,468,663.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,618,263.96 : 584,413,220.58 = 116,981,946.52 : x
  2. Step 2: Convert to fraction form
    389,618,263.96/584,413,220.58 = 116,981,946.52/x
  3. Step 3: Cross multiply
    389,618,263.96x = 584,413,220.58 × 116,981,946.52
  4. Step 4: Simplify right side
    389,618,263.96x = 68,365,796,115,470,528
  5. Step 5: Solve for x
    x = 68,365,796,115,470,528/389,618,263.96
  6. Step 6: Final answer
    x = 175,468,663.66

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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.