Home / 30,631,687,870.80-42,271,729,343.06-16,550,627,134.80

Finding the Fourth Proportional to 30,631,687,870.80, 42,271,729,343.06 and 16,550,627,134.80

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Solution

The fourth proportional to 30,631,687,870.80, 42,271,729,343.06 and 16,550,627,134.80 is: 22,839,865,489.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,631,687,870.80 : 42,271,729,343.06 = 16,550,627,134.80 : x
  2. Step 2: Convert to fraction form
    30,631,687,870.80/42,271,729,343.06 = 16,550,627,134.80/x
  3. Step 3: Cross multiply
    30,631,687,870.80x = 42,271,729,343.06 × 16,550,627,134.80
  4. Step 4: Simplify right side
    30,631,687,870.80x = 699,623,630,700,076,466,176
  5. Step 5: Solve for x
    x = 699,623,630,700,076,466,176/30,631,687,870.80
  6. Step 6: Final answer
    x = 22,839,865,489.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.