Home / 289,586,544.40-434,379,816.60-153,537,648.40

Finding the Fourth Proportional to 289,586,544.40, 434,379,816.60 and 153,537,648.40

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Solution

The fourth proportional to 289,586,544.40, 434,379,816.60 and 153,537,648.40 is: 230,306,472.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,586,544.40 : 434,379,816.60 = 153,537,648.40 : x
  2. Step 2: Convert to fraction form
    289,586,544.40/434,379,816.60 = 153,537,648.40/x
  3. Step 3: Cross multiply
    289,586,544.40x = 434,379,816.60 × 153,537,648.40
  4. Step 4: Simplify right side
    289,586,544.40x = 66,693,655,553,187,288
  5. Step 5: Solve for x
    x = 66,693,655,553,187,288/289,586,544.40
  6. Step 6: Final answer
    x = 230,306,472.60

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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.