Home / 1,972,006,476.80-2,958,009,715.20-498,143,436.80

Finding the Fourth Proportional to 1,972,006,476.80, 2,958,009,715.20 and 498,143,436.80

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Solution

The fourth proportional to 1,972,006,476.80, 2,958,009,715.20 and 498,143,436.80 is: 747,215,155.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,972,006,476.80 : 2,958,009,715.20 = 498,143,436.80 : x
  2. Step 2: Convert to fraction form
    1,972,006,476.80/2,958,009,715.20 = 498,143,436.80/x
  3. Step 3: Cross multiply
    1,972,006,476.80x = 2,958,009,715.20 × 498,143,436.80
  4. Step 4: Simplify right side
    1,972,006,476.80x = 1,473,513,125,617,517,056
  5. Step 5: Solve for x
    x = 1,473,513,125,617,517,056/1,972,006,476.80
  6. Step 6: Final answer
    x = 747,215,155.20

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Double scale
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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.