Home / 564,247,136.09-778,639,715.54-313,367,688.65

Finding the Fourth Proportional to 564,247,136.09, 778,639,715.54 and 313,367,688.65

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Solution

The fourth proportional to 564,247,136.09, 778,639,715.54 and 313,367,688.65 is: 432,435,562.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,247,136.09 : 778,639,715.54 = 313,367,688.65 : x
  2. Step 2: Convert to fraction form
    564,247,136.09/778,639,715.54 = 313,367,688.65/x
  3. Step 3: Cross multiply
    564,247,136.09x = 778,639,715.54 × 313,367,688.65
  4. Step 4: Simplify right side
    564,247,136.09x = 244,000,527,944,403,232
  5. Step 5: Solve for x
    x = 244,000,527,944,403,232/564,247,136.09
  6. Step 6: Final answer
    x = 432,435,562.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.