Home / 1,678,683,232.10-2,518,029,572.07-643,861,316.90

Finding the Fourth Proportional to 1,678,683,232.10, 2,518,029,572.07 and 643,861,316.90

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Solution

The fourth proportional to 1,678,683,232.10, 2,518,029,572.07 and 643,861,316.90 is: 965,793,787.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,678,683,232.10 : 2,518,029,572.07 = 643,861,316.90 : x
  2. Step 2: Convert to fraction form
    1,678,683,232.10/2,518,029,572.07 = 643,861,316.90/x
  3. Step 3: Cross multiply
    1,678,683,232.10x = 2,518,029,572.07 × 643,861,316.90
  4. Step 4: Simplify right side
    1,678,683,232.10x = 1,621,261,836,253,543,680
  5. Step 5: Solve for x
    x = 1,621,261,836,253,543,680/1,678,683,232.10
  6. Step 6: Final answer
    x = 965,793,787.21

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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.