Home / 18,789,686,770.40-28,165,913,285.24-8,823,289,646.24

Finding the Fourth Proportional to 18,789,686,770.40, 28,165,913,285.24 and 8,823,289,646.24

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Solution

The fourth proportional to 18,789,686,770.40, 28,165,913,285.24 and 8,823,289,646.24 is: 13,226,192,331.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,789,686,770.40 : 28,165,913,285.24 = 8,823,289,646.24 : x
  2. Step 2: Convert to fraction form
    18,789,686,770.40/28,165,913,285.24 = 8,823,289,646.24/x
  3. Step 3: Cross multiply
    18,789,686,770.40x = 28,165,913,285.24 × 8,823,289,646.24
  4. Step 4: Simplify right side
    18,789,686,770.40x = 248,516,011,066,551,762,944
  5. Step 5: Solve for x
    x = 248,516,011,066,551,762,944/18,789,686,770.40
  6. Step 6: Final answer
    x = 13,226,192,331.11

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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.