Home / 19,323,139,306.20-28,984,708,959.30-18,996,621,955.80

Finding the Fourth Proportional to 19,323,139,306.20, 28,984,708,959.30 and 18,996,621,955.80

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Solution

The fourth proportional to 19,323,139,306.20, 28,984,708,959.30 and 18,996,621,955.80 is: 28,494,932,933.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,323,139,306.20 : 28,984,708,959.30 = 18,996,621,955.80 : x
  2. Step 2: Convert to fraction form
    19,323,139,306.20/28,984,708,959.30 = 18,996,621,955.80/x
  3. Step 3: Cross multiply
    19,323,139,306.20x = 28,984,708,959.30 × 18,996,621,955.80
  4. Step 4: Simplify right side
    19,323,139,306.20x = 550,611,558,598,711,312,384
  5. Step 5: Solve for x
    x = 550,611,558,598,711,312,384/19,323,139,306.20
  6. Step 6: Final answer
    x = 28,494,932,933.70

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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.