Home / 286,898,653.69-430,350,391.50-79,653,224.59

Finding the Fourth Proportional to 286,898,653.69, 430,350,391.50 and 79,653,224.59

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Solution

The fourth proportional to 286,898,653.69, 430,350,391.50 and 79,653,224.59 is: 119,480,506.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,898,653.69 : 430,350,391.50 = 79,653,224.59 : x
  2. Step 2: Convert to fraction form
    286,898,653.69/430,350,391.50 = 79,653,224.59/x
  3. Step 3: Cross multiply
    286,898,653.69x = 430,350,391.50 × 79,653,224.59
  4. Step 4: Simplify right side
    286,898,653.69x = 34,278,796,386,543,928
  5. Step 5: Solve for x
    x = 34,278,796,386,543,928/286,898,653.69
  6. Step 6: Final answer
    x = 119,480,506.25

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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.