Home / 1,036,551,221.80-1,553,632,439.10-422,732,444.20

Finding the Fourth Proportional to 1,036,551,221.80, 1,553,632,439.10 and 422,732,444.20

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Solution

The fourth proportional to 1,036,551,221.80, 1,553,632,439.10 and 422,732,444.20 is: 633,611,561.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,551,221.80 : 1,553,632,439.10 = 422,732,444.20 : x
  2. Step 2: Convert to fraction form
    1,036,551,221.80/1,553,632,439.10 = 422,732,444.20/x
  3. Step 3: Cross multiply
    1,036,551,221.80x = 1,553,632,439.10 × 422,732,444.20
  4. Step 4: Simplify right side
    1,036,551,221.80x = 656,770,838,369,150,592
  5. Step 5: Solve for x
    x = 656,770,838,369,150,592/1,036,551,221.80
  6. Step 6: Final answer
    x = 633,611,561.64

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1.5x scale

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.