Home / 28,403,056,137.20-42,604,584,205.80-11,852,707,938.80

Finding the Fourth Proportional to 28,403,056,137.20, 42,604,584,205.80 and 11,852,707,938.80

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Solution

The fourth proportional to 28,403,056,137.20, 42,604,584,205.80 and 11,852,707,938.80 is: 17,779,061,908.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,403,056,137.20 : 42,604,584,205.80 = 11,852,707,938.80 : x
  2. Step 2: Convert to fraction form
    28,403,056,137.20/42,604,584,205.80 = 11,852,707,938.80/x
  3. Step 3: Cross multiply
    28,403,056,137.20x = 42,604,584,205.80 × 11,852,707,938.80
  4. Step 4: Simplify right side
    28,403,056,137.20x = 504,979,693,445,358,747,648
  5. Step 5: Solve for x
    x = 504,979,693,445,358,747,648/28,403,056,137.20
  6. Step 6: Final answer
    x = 17,779,061,908.20

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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.