Home / 28,196,220,354.46-42,289,732,978.74-8,294,453,376.64

Finding the Fourth Proportional to 28,196,220,354.46, 42,289,732,978.74 and 8,294,453,376.64

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Solution

The fourth proportional to 28,196,220,354.46, 42,289,732,978.74 and 8,294,453,376.64 is: 12,440,327,607.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,196,220,354.46 : 42,289,732,978.74 = 8,294,453,376.64 : x
  2. Step 2: Convert to fraction form
    28,196,220,354.46/42,289,732,978.74 = 8,294,453,376.64/x
  3. Step 3: Cross multiply
    28,196,220,354.46x = 42,289,732,978.74 × 8,294,453,376.64
  4. Step 4: Simplify right side
    28,196,220,354.46x = 350,770,218,502,608,191,488
  5. Step 5: Solve for x
    x = 350,770,218,502,608,191,488/28,196,220,354.46
  6. Step 6: Final answer
    x = 12,440,327,607.50

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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.