Home / 298,576,870.40-447,865,305.60-169,436,707.40

Finding the Fourth Proportional to 298,576,870.40, 447,865,305.60 and 169,436,707.40

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Solution

The fourth proportional to 298,576,870.40, 447,865,305.60 and 169,436,707.40 is: 254,155,061.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,576,870.40 : 447,865,305.60 = 169,436,707.40 : x
  2. Step 2: Convert to fraction form
    298,576,870.40/447,865,305.60 = 169,436,707.40/x
  3. Step 3: Cross multiply
    298,576,870.40x = 447,865,305.60 × 169,436,707.40
  4. Step 4: Simplify right side
    298,576,870.40x = 75,884,822,739,558,784
  5. Step 5: Solve for x
    x = 75,884,822,739,558,784/298,576,870.40
  6. Step 6: Final answer
    x = 254,155,061.10

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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.