Home / 28,366,891,628.60-42,550,337,442.90-8,735,035,935.80

Finding the Fourth Proportional to 28,366,891,628.60, 42,550,337,442.90 and 8,735,035,935.80

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Solution

The fourth proportional to 28,366,891,628.60, 42,550,337,442.90 and 8,735,035,935.80 is: 13,102,553,903.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,366,891,628.60 : 42,550,337,442.90 = 8,735,035,935.80 : x
  2. Step 2: Convert to fraction form
    28,366,891,628.60/42,550,337,442.90 = 8,735,035,935.80/x
  3. Step 3: Cross multiply
    28,366,891,628.60x = 42,550,337,442.90 × 8,735,035,935.80
  4. Step 4: Simplify right side
    28,366,891,628.60x = 371,678,726,644,147,748,864
  5. Step 5: Solve for x
    x = 371,678,726,644,147,748,864/28,366,891,628.60
  6. Step 6: Final answer
    x = 13,102,553,903.70

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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.