Home / 28,167,523,603.20-42,251,285,404.80-15,106,829,587.20

Finding the Fourth Proportional to 28,167,523,603.20, 42,251,285,404.80 and 15,106,829,587.20

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Solution

The fourth proportional to 28,167,523,603.20, 42,251,285,404.80 and 15,106,829,587.20 is: 22,660,244,380.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,167,523,603.20 : 42,251,285,404.80 = 15,106,829,587.20 : x
  2. Step 2: Convert to fraction form
    28,167,523,603.20/42,251,285,404.80 = 15,106,829,587.20/x
  3. Step 3: Cross multiply
    28,167,523,603.20x = 42,251,285,404.80 × 15,106,829,587.20
  4. Step 4: Simplify right side
    28,167,523,603.20x = 638,282,968,450,464,219,136
  5. Step 5: Solve for x
    x = 638,282,968,450,464,219,136/28,167,523,603.20
  6. Step 6: Final answer
    x = 22,660,244,380.80

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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.